Helvella L

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
Published as part of Lu, Jin-Rong, Yu, Feng-Ming, Lei, Lei, Zhang, Ying & Zhao, Qi, 2023, A new species of Helvella (Helvellaceae, Pezizomycetes) within the H. macropus group from China, pp. 212-222 in Phytotaxa 601 (3) on page 220, DOI: 10.11646/phytotaxa.601.3.2, http://zenodo.org/record/8141752