Deep vicariance and frequent transoceanic dispersal shape the evolutionary history of a globally distributed fern family.
Weston L TestoAndré L de GasperSonia MolinoJosé María Gabriel Y GalánAlexandre SalinoVinícius Antonio de Oliveira DittrichEmily B SessaPublished in: American journal of botany (2022)
Ancient vicariance and extensive long-distance dispersal have shaped the history of Blechnaceae in both the northern and southern hemispheres. The exceptional diversity in austral regions appears to reflect rapid speciation in these areas; mechanisms underlying this evolutionary success remain uncertain.