A new species of Helvella (Helvellaceae, Pezizomycetes) within the H. macropus group from China Author Lu, Jin-Rong 0009-0000-1094-3254 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 & jinronglu 1017 @ outlook. com; https: // orcid. org / 0009 - 0000 - 1094 - 3254 jinronglu1017@outlook.com Author Yu, Feng-Ming 0000-0001-9133-8645 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 & fm _ yu 2018 @ 163. com; https: // orcid. org / 0000 - 0001 - 9133 - 8645 Author Lei, Lei 0000-0002-9881-4226 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 & leilei 788281 @ outlook. com; https: // orcid. org / 0000 - 0002 - 9881 - 4226 leilei788281@outlook.com Author Zhang, Ying 0009-0000-5248-0171 Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, College of Biodiversity Conservation, Southwest Forestry University, Kunming, Yunnan, 650224, China & yingb. zhang @ swfu. edu. cn; https: // orcid. org / 0009 - 0000 - 5248 - 0171 yingb.zhang@swfu.edu.cn Author Zhao, Qi 0000-0001-8169-0573 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 & zhaoqi @ mail. kib. ac. cn; https: // orcid. org / 0000 - 0001 - 8169 - 0573 zhaoqi@mail.kib.ac.cn text Phytotaxa 2023 2023-07-11 601 3 212 222 http://dx.doi.org/10.11646/phytotaxa.601.3.2 journal article 53836 10.11646/phytotaxa.601.3.2 ebd627f7-d770-4758-a183-146adc9be3b4 1179-3163 8141752 Key to the species in Helvella macropus group 1 Apothecium cupuliform......................................................................................................................................................................2 1’ Apothecium ephippioid .............................................................................................................................................. H. ephippioides 2 Ascospores elliptic................................................................................................................................................................ H. fibrosa 2’ Ascospores subelliptic, fusiform to subfusiform................................................................................................................................3 3 Hymenium brown to dark brown, constantly mottled with patches of paler pigmentation ................................................ H. guttata 3’ Hymenium mouse-grey, grey-beige or greyish brown .................................................................................................... H. macropus