Ipomoea simplex was created in 1794.
Ipomoea lacunosa was created in 1753.
Ipomoea hederifolia was created in 1759.
Ipomoea violacea was created in 1753.
Ipomoea aquatica was created in 1775.
Ipomoea pes-caprae was created in 1818.
Avatha simplex was created in 1951.
Hemistola simplex was created in 1899.
Crane-Simplex was created in 1915.
Endotricha simplex was created in 1924.
Rhamphomyia simplex was created in 1849.
American Simplex was created in 1906.
Protanthea simplex was created in 1891.