Place of publication:
Sp. pl. 2:724. 1753, nom. cons. "helvulus"
Comment:
conserved (nom. cons.) with a conserved type (Melbourne ICN Art. 14.9 & App. IV) and the spelling "helvolus" is conserved (nom. cons.)(Melbourne ICN Art. 14.11 & App. IV) against the original spelling "helvulus"