References

For Eryngium

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Calviño, C.I., and G.A. Levin. 2019. A new species of Eryngium (Apiaceae, Saniculoideae) from the USA. Syst. Bot. 44: 446-450. Google Scholar

Calviño, C.I., and G.A. Levin. 2024. Eryngium. In Flora of North America Editorial Committee. 2024. Flora of North America north of Mexico. Volume 13, Magnoliophyta: Geraniaceae to Apiaceae. Oxford Univ. Press, New York, NY. 566 pp. Google Scholar

Calviño, C.I., and S.R. Downie. 2007. Circumscription and phylogeny of Apiaceae subfamily Saniculoideae based on chloroplast DNA sequences. Molecular Phylogenetics and Evolution 44: 175-191. Google Scholar

Calviño, C.I., S.G. Martínez, & S.R. Downie. 2008. The evolutionary history of Eryngium (Apiaceae, Saniculoideae): rapid radiations, long distance dispersals, and hybridizations. Molec. Phylogen. Evol. 46: 1129-1150. Google Scholar

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