EPPO Global Database

Phymatotrichopsis omnivora(PHMPOM)

Hosts

Important note about the classification of host plants in GD:
Categories have been assigned by the EPPO Secretariat on the basis of available data at the time of entry. They correspond to a qualitative evaluation of the importance of the host plant for the pest concerned and remain indicative only.
Further explanation of categories is available in the guide.
Organism Type
Carya illinoinensis (CYAIL) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Samaniego-Gaxiola JA, Ramirez-Delgado M, Pedroza-Sandoval A, Nava-Camberos U (2008) [Association between cotton root rot (Phymatotrichopsis omnivora) and borer insect of pecan tree (Carya illinoensis)]. Agricultural Tecnica en Mexico, 34(1), 21-22 (abst.).
Gossypium barbadense (GOSBA) Major host
* Mulrean EN, Hine RB, Mueller JP (1984) Effect of Phymatotrichum root rot on yield and seed and lint quality in Gossypium hirsutum and G. barbadense. Plant Disease 68(5), 381-383.
Gossypium herbaceum (GOSHE) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gossypium hirsutum (GOSHI) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Mulrean EN, Hine RB, Mueller JP (1984) Effect of Phymatotrichum root rot on yield and seed and lint quality in Gossypium hirsutum and G. barbadense. Plant Disease 68(5), 381-383.
Malus domestica (MABSD) Major host
* Watson TW, Appel DN, Arnold MA, Starr JL, Kenerley CM (2004) Seasonal influence on infection rates of Malus sylvestris var. domestica roots by Phymatotrichopsis omnivora. HorScience 39(4), p 747.
Medicago sativa (MEDSA) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus persica (PRNPS) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vitis vinifera (VITVI) Major host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus suber (QUESU) Wild/Weed
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Ribes rubrum (RIBRU) Wild/Weed
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- a Ribes vulgare.
Abelia x grandiflora (ABEGF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Abelmoschus esculentus (ABMES) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Abutilon incanum (ABUIC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Abutilon theophrasti (ABUTH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acalypha sp. (ACCSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acca sellowiana (FEJSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acer negundo (ACRNE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acer saccharinum (ACRSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acer saccharum (ACRSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Achillea millefolium (ACHMI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Acmispon americanus (AKMAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aconitum sp. (AAOSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aesculus hippocastanum (AECHI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aesculus pavia (AECPV) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ageratina altissima (EUPRU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Agrimonia pubescens (AGIPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Agrostemma githago (AGOGI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ailanthus altissima (AILAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Alcea ficifolia (AKAFI) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Althaea ficifolia.
Alcea rosea (ALGRO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Allionia sp. (ALQSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Alnus glutinosa (ALUGL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Alnus rubra (ALURB) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Alnus tenuifolia (ALUTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amaranthus caudatus (AMACA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amaranthus graecizans (AMAGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amaranthus retroflexus (AMARE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amaranthus spinosus (AMASP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amaranthus x tamariscinus (AMATA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ambrosia artemisiifolia (AMBEL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ambrosia bidentata (AMBBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ambrosia psilostachya (AMBPS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ambrosia trifida (AMBTR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amelanchier alnifolia (AMEAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Amorpha sp. (AMORSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Anethum graveolens (AFEGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Angelica sp. (ANKSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Annona squamosa (ANUSQ) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Anthemis arvensis (ANTAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Anthemis cotula (ANTCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Antirrhinum majus (ATHMM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Apios americana (APOAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Apocynum androsaemifolium (APCAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Apocynum cannabinum (APCCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aquilegia canadensis (AQICN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arabis sp. (ARCSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arachis hypogaea (ARHHY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aralia spinosa (ARLSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Araucaria angustifolia (ARUAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arbutus menziesii (ARDME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arctium lappa (ARFLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arctium minus (ARFMI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arctostaphylos manzanita (ARYMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arctotis stoechadifolia (ATBST) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Arenaria sp. (ARISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Argemone mexicana (ARGME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Argemone platyceras (ARGPT) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Argyreia nervosa (AGJNE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Armoracia rusticana (ARWLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Aronia melanocarpa (ABOME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Artemisia biennis (ARTBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Asclepias syriaca (ASCSY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Asclepias tuberosa (ASCTU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Asimina triloba (ASITR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Astragalus sp. (ASASS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Baccharis sp. (BACSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Baptisia sp. (BAPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Bassia scoparia (KCHSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Bellis perennis (BELPE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Berberis canadensis (BEBCN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Berberis thunbergii (BEBTH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Berberis vulgaris (BEBVU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Beta vulgaris (BEAVX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Beta vulgaris subsp. vulgaris var. cicla (BEAVV) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Betula nigra (BETNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Bidens sp. (BIDSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Boerhavia erecta (BOEER) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brachychiton populneus (BYHPO) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Sterculia diversifolia
Brassica napus subsp. rapifera (BRSNA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
------- As Brassica campestris var. napobrassica.
Brassica oleracea var. botrytis (BRSOB) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brassica oleracea var. capitata (BRSOL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brassica oleracea var. gongylodes (BRSOG) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brassica oleracea var. viridis (BRSOA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brassica rapa (BRSRR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Brickellia sp. (BRLSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Broussonetia papyrifera (BRNPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Buddleia davidii (BUDDA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Buglossoides arvensis (LITAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Caesalpinia gilliesii (CAEGI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cajanus cajan (CAJCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Calendula officinalis (CLDOF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Callirhoe involucrata (COEIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Callistephus chinensis (CSPCH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Calocedrus decurrens (CCDDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Calystegia pubescens (CAGPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Calystegia sepium (CAGSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Campsis radicans (CMIRA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cannabis sativa (CNISA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Capsicum frutescens (CPSFR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Caragana arborescens (CRAAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Carica papaya (CIAPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Carissa macrocarpa (CISMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Carpinus caroliniana (CIPCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cassia texana (CASTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Castanea pumila (CSNPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Castanea sativa (CSNSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Catalpa bignonioides (CTLBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Catalpa speciosa (CTLSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cedrus sp. (CEUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Celastrus orbiculatus (CELOR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Celtis laevigata (CETLE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Celtis occidentalis (CETOC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cerastium fontanum subsp. vulgare (CERVU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cerastium glomeratum (CERGL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ceratonia siliqua (CEQSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cercis canadensis (CCSCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cercis occidentalis (CCSOC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cercis reniformis (CCSRE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cereus sp. (CEESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chaenomeles sp. (CNMSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chamaecrista fasciculata (CASFA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chamaecyparis thyoides (CHCTH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chamerion angustifolium (CHAAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chelidonium majus (CHQMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chenopodium album (CHEAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chilopsis linearis (CHJLI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Chionanthus virginicus (CIOVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cichorium endivia (CICEN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cichorium intybus (CICIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cicuta maculata (CIUMC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cinnamomum camphora (CINCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cissus sp. (CIBSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrullus lanatus (CITLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus aurantiifolia (CIDAF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus aurantium (CIDAU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus limon (CIDLI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus medica (CIDME) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Citrus paradisi (CIDPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus sinensis (CIDSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus unshiu (CIDUN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Citrus x nobilis (CIDNO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Claytonia caroliniana (CLACA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Clematis sp. (CLVSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Clethra alnifolia (CXEAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Clitoria mariana (CXCMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cnidoscolus texanus (CXFTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cocculus carolinus (COUCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cocculus orbiculatus (COUOR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Codiaeum variegatum (CDIVA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Convolvulus arvensis (CONAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cordia boissieri (CRHBS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Coreopsis sp. (CRLSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cornus drummondii (CRWDR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cornus florida (CRWFL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Corylus americana (CYLAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Corylus cornuta (CYLCR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cosmos bipinnatus (CMSBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cosmos sulphureus (CMSSU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cotinus coggygria (COTCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cotoneaster sp. (CTTSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Crataegus sp. (CSCSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Crotalaria brevidens var. intermedia (CVTBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Crotalaria pallida var. obovata (CVTMU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Crotalaria spectabilis (CVTSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Croton monanthogynus (CVNMO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Croton texensis (CVNTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucumis melo (CUMME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucumis sativus (CUMSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucurbita maxima (CUUMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucurbita melopepo (CUUPM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucurbita moschata (CUUMO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cucurbita pepo (CUUPE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cupressus sempervirens (CVBSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cyamopsis tetragonoloba (CMOTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cydonia oblonga (CYDOB) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cynara scolymus (CYUSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Cynoglossum officinale (CYWOF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dahlia pinnata (DAHPI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dalea sp. (DLESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Datura innoxia (DATIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Datura stramonium (DATST) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Daucus carota subsp. sativus (DAUCS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Delphinium ajacis (CNSAJ) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Delphinium sp. (DELSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dendranthema x grandiflorum (CHYHO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Descurainia pinnata (DESPI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Desmodium sp. (DEDSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dianthus barbatus (DINBA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dianthus caryophyllus (DINCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dianthus plumarius (DINPL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dichondra repens var. carolinensis (DIORC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Diervilla lonicera (DIVLO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dioscorea sp. (DIUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
------- considered as host in the above publication. However monicotyledonous plants are generally considered immune to this fungus.
Diospyros kaki (DOSKA) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Diospyros texana (DOSTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Diospyros virginiana (DOSVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dipsacus fullonum (DIWSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dolichandra unguis-cati (BIGUC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Dysphania ambrosioides (CHEAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Echinacea purpurea (RUDPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Echinocactus sp. (EHNSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Elaeagnus angustifolia (ELGAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eleutherococcus sieboldianus (ACPSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ephedra sinica (EPESI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Erechtites hieraciifolius (EREHI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Erigeron annuus (ERIAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Erigeron canadensis (ERICA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eriobotrya japonica (EIOJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eriogonum sp. (ERGSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eryngium sp. (ERXSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Erythrina sp. (ERZSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eucalyptus camaldulensis (EUCCM) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Eucalyptus rostrata.
Eucalyptus polyanthemos (EUCPT) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as E. polyanthema.
Eucalyptus rudis (EUCRU) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Euonymus atropurpureus (EUOAT) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euonymus japonicus (EUOJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eupatorium caelestinum (EUPCL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia corollata (EPHCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia cyparissias (EPHCY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia dentata (EPHDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia maculata (EPHMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia marginata (EPHMG) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia milii (EPHML) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Euphorbia pulcherrima (EPHPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Evolvulus sp. (EVOSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Eysenhardtia polystachya (EYDAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ficus carica (FIUCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Firmiana simplex (FIRPL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Foeniculum vulgare (FOEVU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Forestiera acuminata (FORAC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Forsythia sp. (FOSSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Fouquieria splendens (FOQSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Frangula caroliniana (RHACL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Franseria sp. (FRSSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Fraxinus sp. (FRXSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Fraxinus velutina (FRXVE) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Froelichia sp. (FROSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gaillardia aristata (GAIAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gaillardia pulchella (GAIPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Galium sp. (GALSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gardenia jasminoides (GADJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Garrya flavescens (GARFL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gaura biennis (GAABI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gaura coccinea (GAACO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gelsemium sempervirens (GELSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Geranium carolinianum (GERCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Geum aleppicum var. strictum (GEUAS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Geum canadense (GEUCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gilia sp. (GIISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ginkgo biloba (GIKBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gleditsia triacanthos (GLITR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Glycine max (GLXMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gnaphalium sp. (GNASS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gordonia lasianthus (GORLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Grevillea robusta (GRERO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Grindelia sp. (GRNSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gutierrezia sp. (GUESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Gymnocladus dioica (GYMDI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Haplopappus sp. (HAPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hedera helix (HEEHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helenium amarum (HENAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helenium autumnale (HENAU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helianthemum nummularium (HEANU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helianthus annuus (HELAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helianthus maximiliani (HELMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helianthus petiolaris (HELPE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Helianthus tuberosus (HELTU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Heliopsis helianthoides (HEFHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Heliopsis helianthoides var. scabra (HEFHS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Heracleum maximum (HERMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hesperocyparis arizonica (CVBAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hesperocyparis macrocarpa (CVBMC) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Cupressus macrocarpa.
Heteromeles arbutifolia (PHNAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hibiscus cannabinus (HIBCA) Host
* Cook CG, Riggs JL, Smart JR, Mullin-Schading BA (1995) Evaluation of six kenaf cultivars for resistance to Phymatotrichum omnivorum. Industrial crops and products 4(3), 229-232.
------- confirmed host.
Hibiscus palustris (HIBPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hibiscus sabdariffa (HIBSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hibiscus syriacus (HIBSY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hibiscus trionum (HIBTR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hieracium sp. (HIESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Houstonia sp. (HOUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hydrangea paniculata (HYEPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hydrangea petiolaris (HYEAP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hydrastis canadensis (HDRCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Hypochaeris radicata (HRYRA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ilex cassine (ILECA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ilex decidua (ILEDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ilex vomitoria (ILEVO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Indigofera sp. (INDSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea alba (CLYAC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea batatas (IPOBA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea hederacea (IPOHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea nil (IPONI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea purpurea (PHBPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ipomoea quamoclit (IPOQU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Iva xanthiifolia (IVAXA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Jacaranda acutifolia (IACAC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Jatropha sp. (IATSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juglans ailanthifolia (IUGAI) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------ as Juglans sieboldiana.
Juglans californica (IUGCA) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Juglans nigra (IUGNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juglans regia (IUGRE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus chinensis (IUPCH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus communis (IUPCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus deppeana var. pachyphloea (IUPDP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus horizontalis (IUPHO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus scopulorum (IUPSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus virginiana (IUPVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Juniperus virginiana var. silicicola (IUPSL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Justicia americana (IUIAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Kalmia latifolia (KAMLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Kerria japonica (KERJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Koelreuteria sp. (KOTSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Krameria lanceolata (KRALA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Krigia sp. (KRISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Kuhnia sp. (KUHSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lablab purpureus (DOLLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lactuca sativa (LACSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lactuca serriola (LACSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lagenaria siceraria (LGNSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lagerstroemia indica (LAEIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lantana horrida (LANHO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lappula squarrosa (LPLSQ) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Larix laricina (LAXLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lathyrus odoratus (LTHOD) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lavatera sp. (LVASS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lepidium campestre (LEPCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lepidium densiflorum (LEPDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lepidium sativum (LEPSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lepidium virginicum (LEPVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lespedeza sp. (LESSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lesquerella sp. (LEUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Leucanthemum vulgare (CHYLE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Leucophyllum frutescens (LCPFR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Liatris pycnostachya (LTSPY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ligustrum sp. (LIGSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Limonium sp. (LIISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Linaria vulgaris (LINVU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lindera sp. (LIESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Linnaea chinensis (ABECH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Linum lewisii (LIULE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Linum rigidum (LIURI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Linum sulcatum (LIUSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lippia sp. (LIPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Liquidambar styraciflua (LIQST) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Liriodendron tulipifera (LIRTU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lithospermum occidentale (ONMBE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lobelia inflata (LOBIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lobelia siphilitica (LOBSI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lonicera morrowii (LONMO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lonicera sempervirens (LONSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lonicera tatarica (LONTA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lupinus perennis (LUPPE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lupinus subcarnosus (LUPSU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lycium carolineanum (LYUCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lysimachia ciliata (LYSCI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Lysimachia sp. (LYSSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Maackia amurensis (MCKAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Maclura pomifera (MACPO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Magnolia grandiflora (MAGGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Malus baccata (MABBA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Malus sylvestris (MABSY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Malvastrum sp. (MAVSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Malvaviscus arboreus var. drummondii (MAIAD) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Malvella leprosa (SIDHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mammillaria sp. (MAKSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mangifera indica (MNGIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Manihot esculenta (MANES) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Manilkara zapota (MNKZA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Matthiola incana (MTLIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Medicago arabica (MEDAB) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Medicago lupulina (MEDLU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Medicago polymorpha (MEDPO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Medicago truncatula (MEDTR) Host
* Kankanala P, Jones P, Nandety RS, Jacobson DA, Mysore KS (2020) Plasticity of Phymatotrichopsis omnivora infection strategies is dependent on host and nonhost plant responses. Plant Cell and Environment 43, 1084–1101.
------- confirmed host.
Melia azedarach (MEIAZ) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Melilotus albus (MEUAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Melilotus albus var. annuus (MEUAA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Melilotus indicus (MEUIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Melilotus officinalis (MEUOF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mentzelia laevicaulis (MNZLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mimosa sp. (MIMSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mirabilis jalapa (MIBJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mirabilis nyctaginea (MIBNY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mollugo verticillata (MOLVE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Morella cerifera (MYRCE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Morus alba (MORAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Mucuna deeringiana (MUCDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nandina domestica (NANDO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nerium oleander (NEROL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nicandra physalodes (NICPH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nicotiana glauca (NIOGL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nicotiana tabacum (NIOTA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Nyssa sp. (NYSSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Oenothera laciniata (OEOLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Olea europaea (OLVEU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Oncoba spinosa (ONKSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Osmanthus heterophyllus (OSUHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ostrya virginiana (OSTVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Oxydendrum arboreum (OXDAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Paeonia lactiflora (PAOLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Parkinsonia florida (CCIFL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Parkinsonia sp. (PAKSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Parthenium argentatum (PTNAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Parthenocissus quinquefolia (PRTQU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Parthenocissus tricuspidata (PRTTR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Passiflora sp. (PAQSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pastinaca sativa (PAVSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Paulownia tomentosa (PAZTO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pavonia sp. (PVASS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Penstemon cobaea (PEECO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Persea americana (PEBAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Persicaria lapathifolia (POLLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Persicaria maculosa (POLPE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Petroselinum crispum (PARCR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phacelia sp. (PHCSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phaseolus acutifolius (PHSAF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phaseolus lunatus (PHSLU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phaseolus vulgaris (PHSVX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Philadelphus sp. (PHISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phlox paniculata (POXPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Photinia serratifolia (PHNSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Physalis sp. (PHYSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Physocarpus sp. (PHPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Phytolacca americana (PHTAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Picea engelmannii (PIEEN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pilosella aurantiaca (HIEAU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pimpinella anisum (PIMAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pinus echinata (PIUEC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pinus nigra (PIUNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pistacia chinensis (PIACH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pistacia vera (PIAVE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pisum sativum (PIBSX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pittosporum sp. (PTUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Plantago aristata (PLAAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Plantago lanceolata (PLALA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Platanus occidentalis (PLTOC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Platanus wrightii (PLTWR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Platycladus orientalis (THUOR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Platycodon grandiflorus (PLXGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Plectocephalus americanus (CENAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Plumeria sp. (PLISS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Polygonum aviculare (POLAV) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Poncirus trifoliata (PMITR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Populus alba (POPAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Populus deltoides (POPDE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Populus fremontii (POPFR) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Populus nigra (POPNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Populus x canadensis (POPCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Portulaca grandiflora (PORGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Potentilla sp. (PTLSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Primula obconica (PRIOB) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Proboscidea louisianica (PROLO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prosopis sp. (PRSSSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus americana (PRNAM) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Prunus armeniaca (PRNAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus cerasus (PRNCE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus domestica (PRNDO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus dulcis (PRNDU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus laurocerasus (PRNLR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus munsoniana (PRNMS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Prunus serotina (PRNSO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pseudotsuga menziesii (PSTME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Psidium guajava (PSIGU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Psoralea tenuiflora (PSRTE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ptelea trifoliata (PTATR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pueraria montana var. lobata (PUELO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Punica granatum (PUNGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pyracantha sp. (PYESS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Pyrus communis (PYUCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus cerris (QUECE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus macrocarpa (QUEMC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus palustris (QUEPA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus phellos (QUEPH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus prinus (QUEPR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Quercus virginiana (QUEVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ranunculus repens (RANRE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Raphanus sativus (RAPSR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ratibida columnifera (RATCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rheum rhaponticum (RHERP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rhododendron catawbiense (RHOCW) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rhus copallinum (RHUCO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rhus glabra (RHUGL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rhus trilobata (RHUTR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rhus typhina (RHUTY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ribes sp. (RIBSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rivina humilis (RIVHU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Robinia hispida (ROBHI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Robinia pseudoacacia (ROBPS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rosa sp. (ROSSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rubus idaeus var. strigosus (RUBSG) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Rubus strigosus.
Rubus sp. (RUBSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rubus ulmifolius (RUBUL) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Rubus x loganobaccus (RUBLO) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Rudbeckia triloba (RUDTR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Rumex crispus (RUMCR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Salix babylonica (SAXBA) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Salix nigra (SAXNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Salsola kali (SASKA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Salvia greggii (SALGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Salvia splendens (SALSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sambucus canadensis (SAMCN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sambucus racemosa subsp. pubens (SAMPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sapindus saponaria var. drummondii (SAKSD) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Saponaria officinalis (SAWOF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sassafras albidum (SSAAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Scabiosa atropurpurea (SCBAT) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Schinus molle (SCIMO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Schinus terebinthifolia (SCITE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Scutellaria sp. (SCDSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Senecio sp. (SENSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Senegalia greggii (ACAGR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Senna marilandica (CASMA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Senna tora (CASTO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sequoia sempervirens (SEQSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sesbania herbacea (SEBEX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sesbania vesicaria (SEBVE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sesuvium portulacastrum (SSVPO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Shepherdia argentea (SHPAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sida rhombifolia (SIDRH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sida spinosa (SIDSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sideroxylon lanuginosum (BUMLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Silene antirrhina (SILAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Silene latifolia subsp. alba (MELAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Silphium sp. (SIPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum carolinense (SOLCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum elaeagnifolium (SOLEL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum lycopersicum (LYPES) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum melongena (SOLME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum nigrum (SOLNI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum rostratum (SOLRS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solanum tuberosum (SOLTU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Solidago altissima (SOOAL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sonchus asper (SONAS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sonchus oleraceus (SONOL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sophora davidii (SOBDA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sophora secundiflora (SOBSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sorbus americana (SOUAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Spergula arvensis (SPRAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Sphaeralcea angustifolia (SPHAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Spinacia oleracea (SPQOL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Spiraea sp. (SPVSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Stellaria media (STEME) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Stillingia linearifolia (STLLF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Strophostyles helvola (SRTHE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Styphnolobium japonicum (SOBJA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Symplocos tinctoria (SYSTI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Syringa reticulata var. mandschurica (SYRRM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Syringa vulgaris (SYRVU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Syringa x chinensis (SYRCH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tamarix sp. (TAASS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tanacetum cinerariifolium (CHYCI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Taraxacum officinale (TAROF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Taxodium sp. (TADSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tecoma stans (TECST) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tephrosia sp. (TEPSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Thuja occidentalis (THUOC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tilia americana (TILAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Toxicodendron pubescens (TOXQU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Toxicodendron vernix (TOXVX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tragia sp. (TRDSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tragopogon porrifolius (TROPS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Triadica sebifera (SAQSE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Trifolium campestre (TRFCA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Trifolium incarnatum (TRFIN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Trifolium pratense (TRFPR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Trifolium repens (TRFRE) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Triodanis perfoliata subsp. biflora (TJDBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Tsuga diversifolia (TSUDI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ulmus americana (ULMAM) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ulmus crassifolia (ULMCR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ulmus parvifolia (ULMPA) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Ulmus pumila (ULMPU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ulmus thomasii (ULMTH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ungnadia speciosa (UNGSP) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Urtica dioica (URTDI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Urtica dioica subsp. gracilis (URTLY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vaccinium arboreum (VACAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vachellia farnesiana (ACAFA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Valerianella sp. (VLLSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Verbascum blattaria (VESBL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Verbascum thapsus (VESTH) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Verbena bipinnatifida (VEBBI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Verbena hybrids (VEBHY) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Verbesina encelioides (VEEEN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vernicia fordii (ALEFO) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vernonia sp. (VENSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Veronica arvensis (VERAR) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Veronica officinalis (VEROF) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Veronica peregrina (VERPG) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Veronicastrum virginicum (VEKVI) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vicia faba (VICFX) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vicia sativa (VICSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vicia sativa subsp. nigra (VICAN) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vigna radiata (PHSAU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vigna unguiculata subsp. unguiculata (VIGSC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Viguiera sp. (VIUSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vincetoxicum sp. (VNCSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Viola odorata (VIOOD) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vitex agnus-castus (VIXAC) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vitis labrusca (VITLA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Vitis rupestris (VITRU) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Weigela sp. (WEGSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Wisteria sp. (WSTSS) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Xanthium orientale subsp. saccharatum (XANSA) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Zinnia elegans (ZIIEL) Host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
Ziziphus jujuba (ZIPJU) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
------- as Zizyphus jujuba.
Camassia scilloides (CDSSC) Experimental
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
------- considered as host in the above publication. However monicotyledonous plants are generally considered immune to this fungus.
Cynodon dactylon (CYNDA) Experimental
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Lyda SD, 1978. Ecology of Phymatotrichum omnivorum. Annual Review of Phytopathology, 16, 193–209. Available
online: http://annurev.py.16.090178.001205
------- mycelial strands of P. omnivorum were found growing on roots of Johnson grass and Bermuda grass in proximity to dying alfalfa
plants. Considered immune in natural conditions.
Phoenix dactylifera (PHXDA) Experimental
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Rogers CH (1942) Cotton root rot studies with special reference to sclerotia, cover crops, rotations, tillage, seeding rates, soil fungicides, and effects on seed quality. Texas Agricultural Experimental Station Bulletin, 614, 45.
------- as date palms. Only record by King and Loomis.  "Whether these infections were caused by more virile or pathogenic strains of the fungus in nature, or why in rare instances such monocotyledonous plants may become a host to the root-rot fungus is not definitely understood."
Sorghum (1SORG) Experimental
* Lyda SD, 1978. Ecology of Phymatotrichum omnivorum. Annual Review of Phytopathology, 16, 193–209. Available
online: http://annurev.py.16.090178.001205
------- considered immune in fields, but can be infected in laboratory conditions.
Zea mays (ZEAMX) Experimental
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
------- noted as host.

* Lyda SD, 1978. Ecology of Phymatotrichum omnivorum. Annual Review of Phytopathology, 16, 193–209. Available
online: http://annurev.py.16.090178.001205
-------- in experiments, lesions were visible on the corn roots from infested soil but no P. omnivorum could be recovered. Can affect corn plants in sterile medium, but not in fields.

* Uppalapati SR, Young CA, Marek SM, Mysore KS (2010) Phymatotrichum (cotton) root rot caused by Phymatotrichopsis omnivora: Retrospects and prospects. Molecular Plant Pathology 11(3), 325-334.
------- noted as non host.
Hemerocallis sp. (HEGSS) Doubtful host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.

* Lyda SD, 1978. Ecology of Phymatotrichum omnivorum. Annual Review of Phytopathology, 16, 193–209. Available
online: http://annurev.py.16.090178.001205
-------- only one report in the litterature.
Tradescantia sp. (TRASS) Doubtful host
* Rogers CH (1942) Cotton root rot studies with special reference to sclerotia, cover crops, rotations, tillage, seeding rates, soil fungicides, and effects on seed quality. Texas Agricultural Experimental Station Bulletin, 614, 45.
------- in experiments, with a strain affection Hemerocallidis sp.
Washingtonia sp. (WATSS) Doubtful host
* Anonymous (1960) Index of Plant Diseases in the United States. Agriculture Handbook no 165, USDA-ARS (US) 531 pp.
------- noted as host. 
Original reference not found. However monocotyledonous plants are generally considered immune to the fungus.
Brachypodium distachyon (BRCDI) Non-host
* Kankanala P, Jones P, Nandety RS, Jacobson DA, Mysore KS (2020) Plasticity of Phymatotrichopsis omnivora infection strategies is dependent on host and nonhost plant responses. Plant Cell and Environment 43, 1084–1101.
------- resistant / non host.