Erythrocephalum niassae Erythrocephalum helenae Erythrocephalum castellanum Erythrocephalum zambesianum var. zambesianum Erythrocephalum zambesianum Erythrocephalum nutans Erythrocephalum zambesianum var. angustifolium Erythrocephalum castellaneum Erythrocephalum bicolor Erythrocephalum aostae
Taxonomic data from World Flora Online, accessed June 20, 2024