Basionym:
Lycoperdon fragile Vittad., Mem. Accad. Torino Ser. 2, 5: 36 (1842) [MB#227530]
Obligate synonyms:
- Calvatia cyathiformis subsp. fragilis (Vittad.) Dring (1964) [MB#349113]
- Calvatia cyathiformis f. fragilis (Vittad.) A.H. Sm., Lloydia 27: 150 (1964) [MB#349114]
- Utraria fragilis (Vittad.) Quél., Compt. Rend. Assoc. Franç. Avancem. Sci. 14 (2): 451 (1886) [MB#507512]
Taxonomic synonyms:
- Bovista amethystina Cooke & Massee, Grevillea 16 (79): 69 (1888) [MB#205261]
- Bovista cinerea Ellis, Bull. Washburn Lab. Nat. Hist.: 40 (1885) [MB#215224]
- Bovista dealbata Berk. ex Massee, J. Bot. 26: 131 (1888) [MB#514664]