Basionym Name:Agaricus rigens Durieu & Lév., in Durieu, Expl. Sci. Alg., Fl. Algér. 1: tab. 31, fig. 6 (1846)
Homotypic synonyms:Lactarius rigens Sacc., Syll. fung. (Abellini) 5: 441 (1887)