Verbatim text: Buck, W. R. and T. W. Lucansky. 1976. An anatomical and morphological comparison of Selaginella apoda and Selaginella ludoviciana. Bull. Torrey Bot. Club 103: 9--16.
Author: Buck, W.R., Lucansky, T.W.
Year: 1976
Title: An anatomical and morphological comparison of Selaginella apoda and Selaginella ludoviciana
Journal: Bull. Torrey Bot. Club
Volume: 103
Pages: 9–16