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Resumo O presente estudo visou realizar o inventario das samambaias e licofitas da Reserva Ecologica de Gurjau (Pernambuco, Brasil) avaliando a riqueza, composicao, distribuicao geografica e raridade das especies. Foi realizado a partir do exame das colecoes dos principais herbarios do Estado e levantamento floristico com trabalho de campo. A distribuicao geografica das especies no globo e em territorio brasileiro foi baseada em dados da literatura e foram consideradas como especies raras aquelas com apenas um ou dois pontos de coleta na Floresta Atlântica Nordestina. Foram registradas duas especies pertencentes ao grupo das licofitas e 75 especies pertencentes ao grupo das samambaias, das quais 10% sao raras, no contexto da Floresta Atlântica Nordestina. As familias mais representativas foram Pteridaceae (21 especies), Thelypteridaceae (8 spp.) e Polypodiaceae (8 spp.). Os generos com maior numero de especies foram Adiantum (14 spp.) e Thelypteris (7 spp.). A maioria das especies e amplamente distribuida nos tropicos e tambem em territorio brasileiro. Palavras-chave: conservacao, Floresta Atlântica, riqueza, samambaias. Abstract This paper aimed floristic survey the ferns and lycophytes from Reserva Ecologica de Gurjau (Pernambuco, Brazil) evaluating the richness, composition, geographical distribution, and rarity of the species. The study was realized from examination the collections of major herbaria in the State and floristic survey with field work. The geographical distribution of species on the globe and in Brazilian territory was based on literature and were considered rare species as those with one or two collection points in the Northeastern Atlantic Forest. The floristic survey identified two species of lycophytes and 75 species of ferns. Among ferns, 10% were considered rare in the context of the Northeastern Atlantic Forest. The most representative families were Pteridaceae (21 species) Thelypteridaceae (8 spp.) and Polypodiaceae (8 spp.). The richest genera were Adiantum (14 spp.) and Thelypteris (7 spp.). Most species are widely distributed in the tropics and also in Brazilian territory. Key words: Atlantic Forest, conservation, ferns, richness.

Florística e distribuição geográfica das samambaias e licófitas da Reserva Ecológica de Gurjaú, Pernambuco, Brasil