Journal
PHYTOTAXA
Volume 219, Issue 1, Pages 43-57Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.219.1.3
Keywords
Agaricomycetes; tricholomatoid clade; amyloid spores; ITS and nucLSU sequences; taxonomy
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Funding
- National Natural Science Foundation of China [31270074]
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Clitocybe umbrinopurpurascens, a rare species thus far known only from Morocco, is redescribed based on fresh collections made in Calabria (South Italy). Photographs of fresh material and drawings of the main micromorphological features of the species are provided. The type collection, in poor condition and not suitable for molecular analysis, was restudied macroand micromorphologically and was found fully identical with the collections from Calabria. Based on molecular data, this species belongs to the genus Pseudoomphalina (type Omphalia kalchbrenneri) and the genus Neohygrophorus is treated as a synonym of Pseudoomphalina. A collection from Calabria is chosen as an epitype for P. umbrinopurpurascens. Our morphological and molecular revision of other Pseudoomphalina species did not provide evidence supporting the placement of Agaricus pachyphyllus in Pseudomphalina, or any other of the allied genera, therefore, for this species the new genus Pseudolaccaria is introduced. As there are no extant original herbarium specimens, a lectotype and epitype for Omphalia kalchbrenneri and a neotype for Agaricus pachyphyllus are designated.
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