Premium
Redefinition of Adiantopsis Fée (Pteridaceae): Systematics, diversification, and biogeography
Author(s) -
Link-Pérez Melanie A.,
Watson Linda E.,
Hickey R. James
Publication year - 2011
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.1002/tax.605003
Subject(s) - pteridaceae , systematics , phylogenetic tree , biogeography , fern , genus , biology , evolutionary biology , taxon , phylogenetics , character evolution , geography , clade , taxonomy (biology) , zoology , ecology , gene , genetics
We present the first multi‐gene phylogeny of taxa potentially allied to the fern genus Adiantopsis , one of about 20 genera in the large group of cheilanthoid ferns. Our goals were to clarify natural relationships, examine generic boundaries, and interpret character evolution within a phylogenetic framework. Phylogenetic analysis of combined plastid rbcL and atpA DNA sequences has led to an expansion of generic boundaries in Adiantopsis , a recircumscription that is clearly defensible with morphological data. Biogeographic analyses suggest an origin for the genus in South America, with a minimum of three migrations into the Caribbean. We include a synopsis of the genus and two new combinations.