Desertbells, Desert Bells, Desert Bluebells: Phacelia campanularia var. campanularia (Synonyms: Phacelia campanularia ssp. campanularia, Phacelia minor var. campanularia)
Desert Bluebells: Phacelia campanularia var. vasiformis (Synonym: Phacelia campanularia ssp. vasiformis)
Heliotrope Phacelia, Notch-leaved Phacelia, Purplestem Phacelia: Phacelia crenulata var. ambigua
Cleftleaf Wildheliotrope, Heliotrope Phacelia, Notch-leaved Phacelia: Phacelia crenulata var. crenulata (Synonyms: Phacelia crenulata var. funerea, Phacelia crenulata var vulgaris, Phacelia intermedia)
Cleftleaf Wildheliotrope, Little-flowered Heliotrope Phacelia: Phacelia crenulata var. minutiflora (Synonyms: Phacelia ambigua var. minutiflora, Phacelia minutiflora)
Distant Phacelia, Common Phacelia, Wild Heliotrope: Phacelia distans (Synonyms: Phacelia distans var. australis, Phacelia cinerea)
California Bluebell, Wild Canterbury Bells: Phacelia minor (Synonyms: Phacelia minor var. whitlavia, Phacelia whitlavia, Phacelia whitlavia var. jonesii, Whitlavia grandiflora, Whitlavia minor)
Pedicellate Phacelia, Specter Phacelia: Phacelia pedicellata