A comparative SEM study of morphological characters in Cribraria
Cribraria spp. were examined by SEM to determine detailed morphological features of the spore, nodes, and calyculus and to identify and describe the characters and character states for each microstructure examined. The character states defined include six for spore ornamentation (warted, crested, spiny, subreticulate, banded-reticulate, grooved-reticulate), three for node types (rounded, enlarged, irregular), and four for the upper calyculus margin (ribbed, irregular, toothed, entire). Our SEM studies show that interpretations of spore ornamentation character states based solely on LM may be incorrect and that SEM observations are crucial for discovering new characters and interpreting taxonomic morphological features.
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Document Type: Research Article
Publication date: 12 July 2017