Verbatim text: Robinson, H. 1974. Scanning electron microscope studies of the spines and glochids of the Opuntioideae (Cactaceae). Amer. J. Bot. 61: 278–283.
Author: Robinson, H.
Year: 1974
Title: Scanning electron microscope studies of the spines and glochids of the Opuntioideae (Cactaceae)
Journal: Amer. J. Bot
Volume: 61
Pages: 278–283