Basionym Name:Helvella gracilis Peck, Ann. Rep. N.Y. St. Mus. 24: 94 (1872)
Homotypic synonyms:Helvella elastica f. gracilis (Peck) S. Imai, Sci. Rep. Yokohama Natl. Univ., Sect. 2, Biol. Sci. 3: 22 (1954)