A new species of Naematelia (Tremellales, Basidiomycota) from India Author Thomas, Anjitha 0000-0002-8483-228X P. G. & Research Department of Botany, The Zamorin’s Guruvayurappan College (affiliated to the University of Calicut), Kerala, 673014, India anjithathomas000@gmail.com Author Kumar, T. K. Arun 0000-0003-3480-1431 P. G. & Research Department of Botany, The Zamorin’s Guruvayurappan College (affiliated to the University of Calicut), Kerala, 673014, India tkakumar@gmail.com text Phytotaxa 2024 2024-04-30 646 1 58 66 http://dx.doi.org/10.11646/phytotaxa.646.1.4 journal article 10.11646/phytotaxa.646.1.4 1179-3163 13215208 Key to the species of Naematelia sensu Liu et al . (2015) 1a. Basidiocarp foliose .............................................................................................................................................................................2 1b. Basidiocarp cerebriform .....................................................................................................................................................................3 2a. Basidiocarp hazel brown to reddish cream. Conidiogenous cells are produced from swollen cells, or occasionally from sterile basidia. Basidiospores 6–9 × 5–7.5 µm......................................................................................................................... N. microspora 2b. Basidiocarp yellow to bright orange. Conidiogenous cells are produced from the end or middle of hyphae. Basidiospores 7–12 × 6–9 µm............................................................................................................................................................................... N. aurantia 3a. Basidia capitate, 16–32 × 10–20 µm, basidiospores 10–14 × 9–12.5 µm.................................................................... N. aurantialba 3b. Basidia globose, 11–23 × 8–16 µm, basidiospores 6–11 × 5–10 µm.................................................................................................4 4a. Growing on Stereum sanguinolentum , presence of whitish host hyphae as solid core in the interior region of basidiocarp .............. ......................................................................................................................................................................................... N. encephala 4b. Growing on Stereum species , presence of whitish host hyphae, partially hollow in the interior region of basidiocarp, basidiospores 6–9 × 5–7 µm ........................................................................................................................................................... N. encephaloidea