Verbatim text: Dressler, R. L. 1961. A synopsis of Poinsettia (Euphorbiaceae). Ann. Missouri. Bot. Gard. 48: 329–341.
Author: Dressler, R.L.
Year: 1961
Title: A synopsis of Poinsettia (Euphorbiaceae)
Journal: Ann. Missouri. Bot. Gard
Volume: 48
Pages: 329–341