We present a taxonomic treatment of the Lycophyta species from the western border of the Brazilian Pantanal. Two families are present in this area, Lycopodiaceae and Selaginellaceae, with five and six species, respectively. Identification keys, descriptions of the families, genera and species, illustrations, geographic distribution, and comments on the closest species are presented.
lycophytes; Lycopodiaceae; Pantanal; Selaginellaceae; taxonomy
