Ruellia sessilis Ruellia divaricata Ruellia hoffmannseggii Cryphiacanthus lacteus Cryphiacanthus lacteus var. acaulis Cryphiacanthus macrosiphon Dipteracanthus lacteus Ruellia abbreviata Ruellia longituba Ruellia lactea var. acaulis Ruellia prostrata Ruellia macrosiphon Ruellia ovata Ruellia verticillata Ruellia hispida
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024