Basionym Name:Agaricus caerulescens Durieu & Lév., in Durieu, Expl. Sci. Alg., Fl. Algér. 1: tab. 30, fig. 1 (1846)
Homotypic synonyms:Lactarius caerulescens Sacc., Syll. fung. (Abellini) 5: 434 (1887)