* Davis RE, Dallya EL, Zhao Y, Lee IM, Jomantiene R, Detweiler AJ, Putnam ML (2010) First report of a new subgroup 16SrIX-E (‘Candidatus Phytoplasma phoenicium’-related) phytoplasma associated with juniper witches’ broom disease in Oregon, USA. Plant Pathology 59, 1161
------- related strain.
* Clark SM, LeDoux DG, Seeno TN, Riley EG, Gilbert AJ, Sullivan JM (2004) Host plants of leaf beetle species occurring in the United States and Canada (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae). Coleopterists Society, Special Publication 2, 615 pp.
------- Adult host.
* Brito R, Specht A, Gonçalves GL, Moreira GRP, Carneiro E, Santos FL, Roque-Specht VF, Mielke OHH, Casagrande MM (2019) Spodoptera marima: a new synonym of Spodoptera ornithogalli (Lepidoptera: Noctuidae), with notes on adult morphology, host plant use and genetic variation along its geographic range. Neotropical Entomology 48(3), 433-448.
* Heppner JB (2007) Lepidoptera of Florida. Part 1. Introduction and catalog. Gainesville, Florida Department of Agriculture & Consumer Services, p 670.
* Otrosina WJ, Garbelotto M (2010) Heterobasidion occidentale sp. nov. and Heterobasidion irregulare nom. nov.: a disposition of North American Heterobasidion biological species. Fungal Biology 114:(1): 16–25