Synonyms
Convolvulus purpuratus var. saxicola (Eastw.) Jeps.
Convolvulus occidentalis var. saxicola (Eastw.) J.T.Howell
Convolvulus saxicola Eastw.
Convolvulus luteolus var. saxicola (Eastw.) Jeps.
Calystegia purpurata subsp. saxicola (Eastw.) Brummitt