Convolvulus occidentalis var. tenuissimus A.Gray variety synonym

Convolvulus macrostegius Greene species synonym

Convolvulus aridus subsp. tenuifolius Abrams subspecies synonym

Convolvulus aridus subsp. longilobus Abrams subspecies synonym

Convolvulus aridus subsp. intermedius Abrams subspecies synonym

Convolvulus greenei House species synonym

Calystegia macrostegia subsp. tenuifolia (Abrams) Brummitt subspecies accepted

Calystegia macrostegia subsp. longiloba (Abrams) Brummitt subspecies synonym

Calystegia macrostegia subsp. intermedia (Abrams) Brummitt subspecies accepted

Calystegia macrostegia subsp. cyclostegia (House) Brummitt subspecies accepted

Calystegia macrostegia subsp. arida (Greene) Brummitt subspecies accepted

Calystegia macrostegia subsp. amplissima Brummitt subspecies accepted

Convolvulus cyclostegius var. intermedius (Abrams) Hoover variety synonym

Convolvulus occidentalis var. macrostegius (Greene) Munz variety synonym

Convolvulus occidentalis var. cyclostegius (House) Jeps. variety synonym

Convolvulus occidentalis var. angustissimus A.Gray variety synonym

Convolvulus aridus Greene species synonym

Convolvulus cyclostegius House species synonym

Volvulus occidentalis var. angustissimus Farw. variety synonym

Volvulus macrostegius (Greene) Farw. species synonym

Calystegia macrostegia subsp. macrostegia subspecies accepted

Volvulus occidentalis Farw. species proparte synonym

Convolvulus aridus subsp. aridus subspecies synonym

Convolvulus occidentalis S.Watson species heterotypic synonym

Convolvulus nuttallii Greene species heterotypic synonym