Verbatim text: Koller, A. L. and S. E. Scheckler. 1986. Variation in microsporangia and microspore dispersal in Selaginella. Amer. J. Bot. 73: 1274--1288.
Author: Koller, A.L., Scheckler, S.E.
Year: 1986
Title: Variation in microsporangia and microspore dispersal in Selaginella
Journal: Amer. J. Bot
Volume: 73
Pages: 1274–1288