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), pp. 273–298. doi: 10.15517/rbt.v62i1.9795.