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Issue: Vol. 601 No. 3: 11 July 2023
Type: Article
Published: 2023-07-11
DOI: 10.11646/phytotaxa.601.3.2
Page range: 212–222
Abstract views: 185
PDF downloaded: 17

A new species of Helvella (Helvellaceae, Pezizomycetes) within the H. macropus group from China

Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, College of Biodiversity Conservation, Southwest Forestry University, Kunming, Yunnan, 650224, China, Key Laboratory for Plant Diversity and Biogeography of East Asia, Yunnan Key Laboratory of Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
Key Laboratory for Plant Diversity and Biogeography of East Asia, Yunnan Key Laboratory of Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
Key Laboratory for Plant Diversity and Biogeography of East Asia, Yunnan Key Laboratory of Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, College of Biodiversity Conservation, Southwest Forestry University, Kunming, Yunnan, 650224, China
Key Laboratory for Plant Diversity and Biogeography of East Asia, Yunnan Key Laboratory of Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
1 new taxon complex group endemic saddle fungi species diversity Fungi

Abstract

The brown cupulate saddle fungi with villus surface in China, have long been named as Helvella macropus, a well-known European and North American species. In this study, Helvella fruiting bodies from Austria, China (the Tibetan Plateau), and Germany were examined. Phylogenetic analyses of combined LSU, TEF and HSP90 sequence data showed that the Chinese H. macropus-like samples represent two phylogenetic species, one of which is H. macropus s.s., and the other is H. guttata, which is introduced as new species here. Helvella guttata and H. macropus are described and illustrated in detail and compared with their similar species. In addition, a key to the morphologically recognizable taxa of the H. macropus complex is provided.

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