@ARTICLE{TreeBASE2Ref23091, author = {Ibai Olariaga and Isabel Salcedo and Pablo P. Dani?ls and Ivona Kautmanova}, title = {Taxonomy and phylogeny of yellow Clavaria species with clamped basidia - Clavaria flavostellifera sp. nov. and the typification of C. argillacea, C. flavipes and C. sphagnicola.}, year = {2014}, keywords = {Basidiomycota, Camarophyllopsis, Clavariaceae, Clavicorona, species delimitation, spore ornamentation}, doi = {}, url = {http://}, pmid = {}, journal = {Mycologia}, volume = {}, number = {}, pages = {}, abstract = {This study seeks to resolve the species limits of a group with taxonomic and nomenclatural problems and discusses the phylogeny and circumscription of Clavaria. The LSU and ITS phylogenies resolve species level relationships and the ITS is shown to be an adequate barcode marker for Clavaria. Yellow clamped species of Clavaria are nested in two clades: a) C. flavostellifera clade, sister to C. incarnata and C. asterospora in ITS analyses, characterised by producing ornamented spores; and b) C. argillacea-C. citrinorubra-C. flavipes-C. sphagnicola clade, with smooth spores. Clavaria flavostellifera is described as new using morphological and molecular characters. Molecular evidence that supports C. sphagnicola as separate from C. argillacea is provided. The usefulness of spore ornamentation is discussed and considered facultative but only present in some taxa. Descriptions of C. argillacea, C. flavipes and C. sphagnicola are provided, along with color photographs and a key to yellow species of Clavaria with clamped basidia. Camarophyllopsis and Clavicorona are recovered within a paraphyletic Clavaria in our LSU phylogeny. Clampless contextual hyphae and narrow slightly thick-walled mycelial hyphae are proposed as synapomorphies of Camarophyllopsis and Clavaria.} }

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