RT Journal Article
T1 A tale of worldwide success: behind the scenes of Carex (Cyperaceae) biogeography and diversification
T2 Global biogeography of Carex
A1 Martín Bravo, Santiago
A1 Jiménez Mejías, Pedro
A1 Villaverde, T.
A1 Escudero, M.
A1 Hahn, M.
A1 Spalink, D.
A1 Roalson, E.
A1 Hipp, A.
A1 GlobalCarex Group, 
A1 Benítez Benítez, Carmen
K1 Ancestral area reconstruction
K1 Biogeographic stochastic mapping
K1 Boreo‐temperate
K1 Dispersal
K1 Diversification rates
K1 Hyperdiverse
K1 Phylogeny
AB The megadiverse genus Carex (c. 2000 species, Cyperaceae) has a nearly cosmopolitan distribution, displaying an inverted latitudinal richness gradient with higher species diversity in cold‐temperate areas of the Northern Hemisphere. Despite great expansion in our knowledge of the phylogenetic history of the genus and many molecular studies focusing on the biogeography of particular groups during the last few decades, a global analysis of Carex biogeography and diversification is still lacking. For this purpose, we built the hitherto most comprehensive Carex‐dated phylogeny based on three markers (ETS–ITS–matK), using a previous phylogenomic Hyb‐Seq framework, and a sampling of two‐thirds of its species and all recognized sections. Ancestral area reconstruction, biogeographic stochastic mapping, and diversification rate analyses were conducted to elucidate macroevolutionary biogeographic and diversification patterns. Our results reveal that Carex originated in the late Eocene in E Asia, where it probably remained until the synchronous diversification of its main subgeneric lineages during the late Oligocene. E Asia is supported as the cradle of Carex diversification,aswellasa“museum” of extant species diversity. Subsequent “out‐of‐Asia” colonization patterns feature multiple asymmetric dispersals clustered toward present times among the Northern Hemisphere regions, with major regions acting both as source and sink (especially Asia and North America), as well as several independent colonization events of the Southern Hemisphere. We detected 13 notable diversification rate shifts during the last 10 My,including remarkable radiations in North America and New Zealand, which occurred concurrently with the late Neogene global cooling, which suggests that diversification involved the colonization of new areas and expansion into novel areas of niche space.
PB Wiley
SN 1759-6831
YR 2019
FD 2019-11-07
LK https://hdl.handle.net/10433/22612
UL https://hdl.handle.net/10433/22612
LA en
NO Journal of Systematics and Evolution 57(6): 695-718
NO CGL2016-77401-P
NO Biología molecular e ingeniería bioquímica
DS RIO
RD May 9, 2026