Cotyledon caespitosa Cotyledon linguiformis Cotyledon reflexa Dudleya cotyledon Dudleya helleri Cotyledon helleri Sedum cotyledon Echeveria caespitosa Echeveria californica Echeveria cotyledon Echeveria helleri
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024