Reference

Cheryl S. Roesel, W.J. Kress, Brunella Martire Bowditch (1996): Low levels of genetic variation in Phenakospermum guyannense (,Strelitziaceae), a widespread bat-pollinated Amazonian herb – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 199 : 1 - 15.