American Journal of Botany · 1918 · 25 citations · 0 references
Life SciencesBotanyMicrobiologyMicrobial SystematicsMycologySystematicsCladisticsFungal ClassificationFungal DiversityFungal MorphologyFungal SystematicsTaxonomic KeysAscomycota ClassificationCryptic Fungal SpeciesFungal CladisticsFungal Morphological DiversityFungal Operational Taxonomic UnitsFungal Species DelimitationMolecular Phylogenetics Of Fungi
Wehmer in one of his keys based upon single characters has brought together some short-stalked species of Aspergillus!without indicating that the number of correlated characters found might justify more than an arbitrary grouping.He calls this section '"Schwachwuchsige"' or weak growers in spite of the fact that its best-known members, A. fumigatus and A. nidulans, are cosmopolitan and aggressive forms.If we substitute for this designation the designation short-stalked Aspergilli with calyptriform heads, we will