Colletotrichum crassipes Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Gloeosporium cattleyae Phytophthora cactorum Pythium ultimum Botrytis cinerea Botryotinia fuckeliana [teleomorph] Alternaria sp.
Cercospora angreci Cercospora odontoglossi Chaetodiplodia sp.
Corynespora cassiicola Diplodia laelio-cattleyae Diploida paraphysaria Fulvia fulva Lasiodiplodia theobromae Leptothyrium sp.
Phoma oncidii-sphacelati Phyllosticta capitalensis Pseudocercospora sp.
Septoria selenophomoides Uredo nigropuncta [anamorph] Uredo behnickiana genus Tobamovirus, Odontoglossum ringspot virus (ORSV)