Ruelingia angustifolia Haw., Saxifrag. Enum. 2: 60. 1821 Ruelingia angustifolia Haw., Saxifrag. Enum. 2: 60. 1821is basionym for Anacampseros angustifolia (Haw.) Sweet, Hort. Brit.: 170. 1826Taxon for this nameRuelingia angustifolia Haw.