Synonymy:
Phomopsis pseudotsugae M. Wilson, Trans. R. Scottish Arboricult. Soc. 34(2): 147 (1920)
Phacidiopycnis pseudotsugae (M. Wilson) G.G. Hahn, Mycologia 49(2): 230 (1957)
Allantophomopsis pseudotsugae (M. Wilson) Nag Raj, Coelomycetous Anamorphs with Appendage-bearing Conidia (Ontario): 116 (1993)

Phomopsis strobi Syd., Annls mycol. 20(3/4): 204 (1922)

Phacidiella coniferarum G.G. Hahn, Mycologia 49(2): 227 (1957)
Potebniamyces coniferarum (G.G. Hahn) Smerlis, Canad. J. Bot. 40: 352 (1962)
Phacidium coniferarum (G.G. Hahn) DiCosmo, Nag Raj & W.B. Kendr., Canad. J. Bot. 61(1): 37 (1983)

Position in classification:
Allantophomopsiella, Phacidiaceae, Phacidiales, Leotiomycetidae, Leotiomycetes, Ascomycota, Fungi

Note:
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