The Southern Ocean landmasses have intrigued biologists for centuries because they share many taxonomic groups. Such disjunct taxa can provide insight into evolutionary processes that connect populations or drive divergence. The lichenized fungus Pseudocyphellaria glabra, for example, has a disjunct distribution—separated by the Tasman Sea and the Pacific Ocean—yet whether these locations should be genetically distinct is unclear. The large distances between continents may be expected to prohibit gene flow, but strong and sustained winds in the Southern Hemisphere and the small size of P. glabra propagules may facilitate migration. We compared support for these two hypotheses.
Using RADseq to understand the circum‐Antarctic distribution of a lichenized fungus, Pseudocyphellaria glabra
Todd J. Widhelm,Felix Grewe,Jen‐Pan Huang,Karolis Ramanauskas,R. Mason-Gamer,H. Lumbsch
Published 2020 in Journal of Biogeography
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- Publication year
2020
- Venue
Journal of Biogeography
- Publication date
2020-10-06
- Fields of study
Biology, Environmental Science
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Semantic Scholar
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