Trichasterophyllum majus Cistus canadensis Cistus ramuliflorus Cistus virgatus Crocanthemum majus Halimium canadense Helianthemum canadense Helianthemum majus Heteromeris canadensis Heteromeris cymosa Heteromeris michauxii Heteromeris major Helianthemum ramuliflorum Lechea major Helianthemum major Helianthemum canadense var. sabulonum Helianthemum corymbosum Trichasterophyllum canadense
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024