Abstract
Pseudochaete latesetosa and P. subrigidula collected from southern China are described as new species based on a combination of morphological and molecular characters. Both the species have narrowly cylindrical to allantoid basidiospores and encrusted setae, which are diagnostic characters of Pseudochaete. P. latesetosa is similar to P. tabacina, except that the latter has resupinate, effused-reflexed or pileate basidiocarps and well-developed cortex and tomentum. P. subrigidula resembles P. rigidula in macroscopical and anatomical structures, but the latter has shorter setae and basidiospores. The phylogenetic results inferred from analysis of combined ITS and nLSU rDNA sequences show that the two species were nested within the Pseudochaete clade and were separated from other sampled species as well as from each other. Illustrated descriptions of these two species are provided.
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