Entoloma subgenus Leptonia in boreal-temperate Eurasia: towards a phylogenetic species concept
Persoonia - Molecular Phylogeny and Evolution of Fungi , Volume 32 - Issue 1 p. 141- 169
This study reveals the concordance, or lack thereof, between morphological and phylogenetic species concepts within Entoloma subg. Leptonia in boreal-temperate Eurasia, combining a critical morphological examination with a multigene phylogeny based on nrITS, nrLSU and mtSSU sequences. A total of 16 taxa was investigated. Emended concepts of subg. Leptonia and sect. Leptonia as well as the new sect. Dichroi are presented. Two species (Entoloma percoelestinum and E. sublaevisporum) and one variety (E. tjallingiorum var. laricinum) are described as new to science. On the basis of the morphological and phylogenetical evidence E. alnetorum is reduced to a variety of E. tjallingiorum, and E. venustum is considered a variety of E. callichroum. Accordingly, the new combinations E. tjallingiorum var. alnetorum and E. callichroum var. venustum are proposed. Entoloma lepidissimum var. pauciangulatum is now treated as a synonym of E. chytrophilum. Neotypes for E. dichroum, E. euchroum and E. lampropus are designated.
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Morozova, O.V, Noordeloos, M. E., & Vila, J. (2014). Entoloma subgenus Leptonia in boreal-temperate Eurasia: towards a phylogenetic species concept. Persoonia - Molecular Phylogeny and Evolution of Fungi, 32(1), 141–169.