Lotus oblongifolius Hosackia oblongifolia var. angustifolia Lotus lathyroides Lotus oblongifolius var. torreyi Lotus torreyi Lotus torreyi var. seorsus Hosackia lathyroides Hosackia torreyi Hosackia torreyi var. nevadensis Lotus cupreus Hosackia cuprea Hosackia oblongifolia var. cuprea Lotus oblongifolius var. cupreus Lotus oblongifolius var. nevadensis
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024