Reference:Van1951a
Verbatim text: van Royen, P. 1951. The Podostemaceae of the New World. Part I. Meded. Bot. Mus. Herb. Rijks Univ. Utrecht, 107: 1–151.
Author: Royen, P.
Year: 1951
Title: The Podostemaceae of the New World. Part I
Journal: Meded. Bot. Mus. Herb. Rijks Univ. Utrecht
Volume: 107
Pages: 1–151