Arana, M. D., Reinoso, H., & Oggero, A. J. (2014). Morphology and anatomy of caulinar axes, lycophylls and sporangia of Phlegmariurus phylicifolius: a contribution to the systematics of Neotropical Lycopodiaceae. Revista De Biología Tropical, 62(3), 1217–1227. https://doi.org/10.15517/rbt.v62i3.12843