Journal
FUNGAL BIOLOGY
Volume 120, Issue 1, Pages 1-25Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2015.08.015
Keywords
Ectomycorrhiza; General lineage concept of species; Morphological species; Species complex
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Funding
- 'Bijzonder Onderzoeksfonds Ghent University' (BOF)
- NSF [DEB1144974]
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This study provides morphological and molecular evidence (from nuclear ITS, LSU, and rpb2 DNA sequences) for three previously unrecognized species within the morphospecies Lactifluus volemus from Europe. Phylogenetic species are supported by both a multi-locus tree-based method and Bayesian species delimitation. Lactifluus volemus and Lactifluus oedematopus are provided with a new description, and a third species, Lactifluus subvolemus, is described as new to science. Lactifluus oedematopus can be easily recognized by its short pileipellis hairs. Both L. volemus and L. subvolemus have longer pileipellis hairs and can only be distinguished from each other based on cap colour. Intermediary colour forms, however, occur as well, and cannot be identified as either L. volemus or L. subvolemus without molecular data. Revealing that L. volemus already considered extinct in the Netherlands and the Belgian Flemish region, and declining in other European countries is actually a complex of three species that are even more vulnerable to extinction, this study emphasizes the fundamental role of taxonomy in species conservation. (C) 2015 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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