Evolutionary History of Campanula in North America
Author Information
Author(s): Wendling Barry M., Galbreath Kurt E., DeChaine Eric G.
Primary Institution: Western Washington University
Hypothesis
What are the phylogenetic positions of northwestern Campanula species within the greater Campanuloideae tree?
Conclusion
The study reveals that Campanula species have colonized North America at least six times, leading to multiple radiations and a diverse array of species.
Supporting Evidence
- The phylogenetic analyses included approximately 75% of North American Campanula species.
- Phylogenetic results showed that North American Campanula are polyphyletic, appearing in at least six distinct clades.
- Two varieties of C. parryi were examined, revealing they are likely distinct species.
Takeaway
This study looks at how a group of plants called Campanula spread and changed in North America, showing they came from different places at least six times.
Methodology
The study combined new sequence data from 5 genetic markers representing 12 Campanula species with previously published datasets for a phylogenetic analysis.
Limitations
Only about one third of North American Campanula species were included in phylogenetic analyses.
Digital Object Identifier (DOI)
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