Balaka seemannii (from the basionym Ptychosperma seemannii) was published in Annales du Jardin Botanique de Buitenzorg 2: 91.
Truy cập ngày 16 tháng 12 năm 2012.  ^ Balaka seemannii (from the basionym Ptychosperma seemannii) was published in Annales du Jardin Botanique de Buitenzorg 2: 91.