New Species and Distribution Records for Clavulina (Cantharellales, Basidiomycota) from the Guiana Shield, with a Key to the Lowland Neotropical Taxa
fungal biology 116 (2012) 1263e1274 journal homepage: www.elsevier.com/locate/funbio New species and distribution records for Clavulina (Cantharellales, Basidiomycota) from the Guiana Shield, with a key to the lowland neotropical taxa Jessie K. UEHLINGa,*,1, Terry W. HENKELa, M. Catherine AIMEb, Rytas VILGALYSc, Matthew E. SMITHd aDepartment of Biological Sciences, Humboldt State University, Arcata, CA 95521, USA bDepartment of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA cDepartment of Biology, Duke University, Durham, NC 27708, USA dDepartment of Plant Pathology, University of Florida, Gainesville, FL 32611, USA article info abstract Article history: Three new and one previously described species of Clavulina (Clavulinaceae, Cantharel- Received 4 April 2012 lales, Basidiomycota) are reported from the central Guiana Shield region from tropical rain- Received in revised form forests dominated by ectomycorrhizal trees of the leguminous genus Dicymbe (Fabaceae 19 September 2012 subfam. Caesalpinioideae). We provide morphological, DNA sequence, habitat, and fruiting Accepted 21 September 2012 occurrence data for each species. The new species conform to a generic concept of Clavu- Available online 7 November 2012 lina that includes coralloid, branched basidiomata with amphigenous hymenia, basidia Corresponding Editor: with two or 2À4 incurved sterigmata and postpartal septa present or absent, and smooth, H. Thorsten Lumbsch hyaline, guttulate basidiospores. Placements of the new species in Clavulina were corrobo- rated with DNA sequence data from the internal transcribed spacer and large subunit of Keywords: the nuclear ribosomal repeat, and their infrageneric relationships were examined with Cantharelloid clade phylogenetic analyses based on DNA from the region coding for the second largest subunit Coral fungi of DNA-dependent RNA polymerase II (rpb2).
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