Jamesonia is a genus of Neotropical ferns that comprises about 50 species, distributed from Mexico to Uruguay. In spite of this wide distribution, this group is more diverse in Andean paramos and subparamos. Due to the ...

Tryonia is a monophyletic genus of leptosporangiate ferns, composed by four species, which occur mainly in the Brazilian Atlantic Rainforest reaching to Uruguay and in forests and on rock outcrops of the Espinhaço Range. ...

Pteris tremula (Polypodiopsida: Pteridaceae): A Naturalized Species in Argentina.—The cosmopolitan fern genus Pteris L. (subfamily Pteridoideae, Pteridaceae; PPG I, Journal of Systematics and Evolution 54:563–603. 2016), ...