Brummitt (A.Gray) 1974 - Brummitt RK (1974) A Remarkable New Species of Calystegia (Convolvulaceae) from California. Kew Bulletin 29(3): 499-502. doi: 10.2307/4107994.
Specifications
Images
Synonyms
Convolvulus villosus var. fulcratus (A.Gray) A.Gray