Encephalartos ferox (Inroduced) Encephalartos ferox G.Bertol., Mem. Reale Accad. Sci. Ist. Bologna 3: 264 1851. (syn: Encephalartos kosiensis Hutch.); . Mozambique to KwaZulu-Natal as...
Encephalartos horridus (Introduced- USA/ UK) Encephalartos horridus (Jacq.) Lehm., Nov. Stirp. Pug. 6: 14 1834. (syn: Encephalartos nanus Lehm.; Encephalartos van-hallii de Vriese; Zamia aurea...
Encephalartos trispinosus (Cultivated- USA) Encephalartos trispinosus (Hook.) R.A.Dyer, J. S. African Bot. 31: 112 1965. ; Gymnosperms Fortnight-Zamiaceae-Encephalartos...