Fern flora of Viçosa, Minas Gerais State, Brazil: Dennstaedtiaceae, Lindsaeaceae and Saccolomataceae

ABSTRACT As part of an ongoing project treating the ferns and lycophytes from region Viçosa, Minas Gerais State, Brazil, we here present taxonomic treatment early divergent lineages leptosporangiate ferns: families Dennstaedtiaceae, Lindsaeaceae Saccolomataceae. We have been sampling remnant forest patches since 2012; also fully reviewed collection herbarium VIC other online collections: F, IAN, NY, PH, RB, U, UC, UPCB, US, WTU. In six taxa belonging to those occur: Dennstaedtia cicutaria Pteridium esculentum subsp. arachnoideum (Dennstaedtiaceae); Lindsaea lancea var. lancea, L. quadrangularis quadrangularis, stricta (Lindsaeaceae); Saccoloma elegans (Saccolomataceae). Among these taxa, only S. are endemic Brazilian Atlantic Rainforest; remaining widespread in Neotropics. keys, descriptions, illustrations, examined specimens, comments.