Staniforth, Richard J. “The Lycopods (Phylum Lycopodiophyta); Clubmosses, Firmosses, Spikemosses and Quillworts, in Manitoba”. Blue Jay 70, no. 2 (June 25, 2012): 82–104. Accessed July 22, 2024. https://bluejayjournal.ca/index.php/bluejay/article/view/281.