Verbatim text: Davis, W. S. and H. J. Thompson. 1967. A revision of Petalonyx (Loasaceae) with a consideration of affinities in the subfamily Gronovioideae. Madroño 19: 1–18.
Author: Davis, W.S., Thompson, H.J.
Year: 1967
Title: A revision of Petalonyx (Loasaceae) with a consideration of affinities in the subfamily Gronovioideae
Journal: Madroño
Volume: 19
Pages: 1–18