Puff, C. (1986). Phylohydrax (Rubiaceae-Spermacoceae) a new genus to accommodate the African and Madagascan `Hydrophylax' species. Pl. Syst. Evol., 154 (3-apr), 343-366
1163
Puff, C.
1986
Phylohydrax (Rubiaceae-Spermacoceae) a new genus to accommodate the African and Madagascan `Hydrophylax' species.