Verbatim text: Rachelle, L. D. 1974. Pollen morphology of the Papaveraceae of the northeastern U.S. and Canada. Bull. Torr. Bot. Club. 101: 152-159.
Author: Rachelle, L.D.
Year: 1974
Title: Pollen morphology of the Papaveraceae of the northeastern U.S. and Canada
Journal: Bull. Torr. Bot. Club
Volume: 101
Pages: 152–159