* 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.
* EPPO (2018) Tobacco ringspot virus and Tomato ringspot virus found in the Netherlands. Reporting service 11-2018, 2018-228. Available at https://gd.eppo.int/reporting/article-6422
* Schoen R, de Krom CE, Westenberg M, Botermans M, van Bruggen AS, Meekes ET, Didden L, Hooftman M, Roenhorst JW (2024) Findings of tobacco ringspot virus in ornamentals in the Netherlands from 1997 to 2020 indicate a need for evaluation of its European Union quarantine status. European Journal of Plant Pathology. (early view) https://doi.org/10.1007/s10658-024-02957-3.
* Ramos M, Carvalho R, Soares da Silva E, Ramos AP, Talhinhas P (2020) Pathological and epidemiological characterization of first outbreak of daylily rust in Europe and evaluation of Puccinia hemerocallidis resistance in Hemerocallis cultivars. Plants 9(4), 427. https://doi.org/10.3390/plants9040427
* EFSA (2024) Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023. EFSA Journal 22, e8898. https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2024.8898
------- Subspecies (sandyi) and undetermined.
* EFSA (2024) Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023. EFSA Journal 22, e8898. https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2024.8898
------- Xylella fastidiosa subsp. sandyi.
