Rediscovering Leucoagaricus sinicus, with the recognition of Leucoagaricus and Leucocoprinus as separate genera, and two new genera in Agaricaceae (Basidiomycota) Author Yang, Kun L. 0000-0001-5365-6693 College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong, China. mugoture@gmail.com Author Lin, Jia Y. 0009-0000-3488-2169 College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China. mycofloscula@gmail.com Author Li, Guang-Mei 0009-0005-9487-735X Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China. liguangmei@mail.kib.ac.cn Author Li, Taihui 0000-0002-7343-0365 State Key Laboratory of Applied Microbiology (Southern China), Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China. mycolab@263.net Author Yang, Zhu L. 0000-0001-9745-8453 Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China. fungi@mail.kib.ac.cn text Phytotaxa 2024 2024-12-11 676 3 199 255 https://doi.org/10.11646/phytotaxa.676.3.1 journal article 10.11646/phytotaxa.676.3.1 1179-3163 14521936 Leucocoprinus ammovirescens (Bon) Kun L. Yang, Jia Y. Lin & Zhu L. Yang , comb. nov. & stat. nov. Registration identifier:— FN572144 Basionym:— Leucoagaricus marriageae var. ammovirescens Bon, Documents Mycologiques 22(88): 31 (1993) Notes:— Based on the phylogenetic and morphological evidence of the following collection: MV Leuc 002-8381 (from Italy , sequence data available from MT611963 (ITS), referred to Migliozzi & Forin (2022)) . Leucocoprinus aurantiovergens (A. Gennari & Migl.) Kun L. Yang, Jia Y. Lin & Zhu L. Yang , comb. nov. Registration identifier:— FN572145 Basionym:— Leucoagaricus aurantiovergens A. Gennari & Migl., Rivista di Micologia 41(4): 291 (1999) Notes:— Based on the phylogenetic and morphological evidence of the following collections: PAD:H0061557 (from Italy , sequence data available from OK235666 (ITS), referred to Forin et al. (2022)) & CAG:P.12-9/8.39a (from Italy , sequence data available from OM327663 (ITS), referred to Forin et al. (2022)) . Further studies are required to clarify the relationship between this species and Leucocoprinus paracupresseus , as they are mixed in the phylogeny ( Fig. 2 ).