Rincón Baron, E.J., Rolleri, C.H., Alzate Guarin, F. and Dorado Gálvez, J.M. 2014. Ontogeny of the sporangium, spore formation and cytochemistry in Colombian Lycopodials (Lycopodiaceae). Revista de Biología Tropical. 62, 1 (Jan. 2014), 273–298. DOI:https://doi.org/10.15517/rbt.v62i1.9795.