Clermontia grandiflora var. forbesii Clermontia grandiflora f. hirsutinervis Clermontia grandiflora var. subpetiolata Clermontia hirsutinervis Clermontia reticulata Clermontia subpetiolata Clermontia wailauensis Clermontia forbesii Clermontia grandiflora f. nitida Clermontia grandiflora var. vulgata Clermontia molokaiensis Clermontia munroi
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024