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Noun1.Jamesonia - xerophytic ferns of South America
fern genus - genera of ferns and fern allies
family Pteridaceae, Pteridaceae - one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
References in periodicals archive ?
with a polyphyletic Jamesonia nested within Eriosorus.
Several genera of the Taenitidoideae by comparison, including Anogramma, Eriosorus, and Jamesonia, have been revealed to have problems in their circumscription (Nakazato and Gastony, 2003; Sanchez-Baracaldo, 2004a, 2004b; Prado et al.
Jamesonia and Eriosorus (Pteridaceae), fern genera with about 20 and 25 species, respectively, of predominantly Andean distribution (Tryon, 1962, 1970), are together represented with 32 species in paramo (Luteyn, 1999).