Canavirgella banfieldii gen. and sp.nov. A needlecast fungus on pine

W. Merrill, N. G. Wenner, T. A. Dreisbach

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Canavirgella banfieldii gen. and sp.nov. (Ascomycetes: Rhytismatales) is a previously undescribed needlecast fungus attacking Pinus strobus throughout the eastern U.S.A. from North Carolina to Maine. Pinus peuce was severely infected in northern Vermont. Hysterothecia average 3.2 cm long and are epiphyllous, subhypodermal, and dematiaceous, with clavate asci bearing short rod-shaped ascospores. Pycnidia are epiphyllous, subhypodermal, concolorous, blisterlike with one or more pores, and produce minute bacillar conidia. These characteristics separate this fungus from existing genera as presently defined.

Original languageEnglish (US)
Pages (from-to)1476-1481
Number of pages6
JournalCanadian Journal of Botany
Issue number9
StatePublished - 1996

All Science Journal Classification (ASJC) codes

  • Plant Science


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