First person to use this name on MO: Image Sharer
Agaricus [subgenus Pseudochitonia] section Trisulphurati Heinem., Bull. Jard. Bot. État 26: 91. 1956.
Facesoffungi number: FoF01191; Fig. see Heinemann 1956, PlateXIX, Fig. 9
Type species: Agaricus trisulphuratus Berk., designated by Heinemann Bull. Jard. Bot. État 26: 91. 1956.
Delimitation of section Trisulphurati
KOH reaction positive, Schäffer’s reaction negative. Not staining on touching or cutting. Smell carbolic acid, ink, or mushroomy. Annulus superous, membranous, and lower side always wooly or cortinate. Cheilocystidia present, clavate, or subcapitate. Basidiospore endosporium or not, shape ellipsoid with suprahilar depression. Section Trisulphurati is characterized by a brightly coloured universal veil and thickening of the endospores in the basidiospores.
- Towards standardizing taxonomic ranks using divergence times – a case study with Agaricus. Fungal Diversity. 78:239-292