Verbatim text: Miller, K. I. and G. L. Webster. 1967. A preliminary revision of Tragia (Euphorbiaceae) in the United States. Rhodora 69: 241–305.
Author: Miller, K.I., Webster, G.L.
Year: 1967
Title: A preliminary revision of Tragia (Euphorbiaceae) in the United States
Journal: Rhodora
Volume: 69
Pages: 241–305