Basionym Name:Helvella clavus Schaeff., [as 'Elvela'] Fung. bavar. palat. nasc. (Ratisbonae) 4: 111 (1774)
Homotypic synonyms:Asterophora clavus (Schaeff.) Murrill, N. Amer. Fl. (New York) 9(3): 166 (1910)