Some perplexing problems associated with the use of Fries's Systema Mycologicum as a sanctioning book
Petersen, R H
Article
1983
Cryptogamie. Mycologie
4
Issue: 2
221--230
BioStor
Multiple
Paris Laboratoire de cryptogamie 1980-
BioStor: https://biostor.org/reference/278499
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