Oxydectes sclerocalyx Croton rufidulus Croton sclerocalyx var. hispidus Croton sclerocalyx var. intermedius Croton sclerocalyx f. luxurians Croton sclerocalyx var. genuinus Podostachys sclerocalyx Croton mentiens Croton sclerocalyx var. hirsutissimus Croton sclerocalyx var. rufidulus Heterocroton mentiens
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024