on west african pteridophytes and their taxonomic problems
Kunkel, Günther
Article
1971
Mitteilungen der Botanischen Staatssammlung München
10
165--168
BioStor
German
Munich, H. Merxmüller, [1950]-1991 [i.e. 1992]
BioStor: https://biostor.org/reference/185317
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