Verbatim text: Karrfalt, E. E. 1981. The comparative and developmental morphology of the root system of Selaginella selaginoides (L.) Link. Amer. J. Bot. 68: 224--253.
Author: Karrfalt, E.E.
Year: 1981
Title: The comparative and developmental morphology of the root system of Selaginella selaginoides (L.) Link
Journal: Amer. J. Bot
Volume: 68
Pages: 224–253