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Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
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References

For Galium

Allen, C.M. 2013. Notes on the identification and distribution of the species of the genus Galium (Rubiaceae) in Louisiana. J. Bot. Res. Inst. Texas 7: 509-513. Google Scholar

Braun, A.P. 2017. Vegetative key to Galium of Missouri. Missouriensis 34: 24-26. Google Scholar

Dempster, L.T. 1978. The genus Galium (Rubiaceae) in Mexico and Central America Univ. of Calif. Publ. in Botany 73: 1-33. Google Scholar

Dempster, L.T. 1981. The genus Galium (Rubiaceae) in South America II. Allertonia 2: 393-426. Google Scholar

Ehrendorfer, F., and M.H.J. Barfuss. 2014. Paraphyly and polyphyly in the worldwide tribe Rubieae (Rubiaceae): challenges for generic delimitation. Ann. Missouri Bot. Gard. 100: 79-88. Google Scholar

Ehrendorfer, F., M.H. Barfuss, J.F. Manen, and G.M. Schneeweiss. 2018. Phylogeny, character evolution and spatiotemporal diversification of the species-rich and world-wide distributed tribe Rubieae (Rubiaceae). PLoS One 13(12): p.e0207615. Google Scholar

Lipscomb, B.L., and G.L. Nesom. 2007. Galium anglicum (Rubiaceae) new for Texas and notes on the taxonomy of the G. parisiense / divaricatum complex. J. Bot. Res. Inst. Texas 1: 1269-1276. Google Scholar

Moore, R.J. 1975. The Galium aparine complex in Canada. Can. J. Bot. 53: 877-893. Google Scholar

Puff, C. 1976. The Galium trifidum group (Galium sect. Aparinoides, Rubiaceae). Can. J. Bot. 54: 1911-1925. Google Scholar

Puff, C. 1977. The Galium obtusum group (Galium sect. Aparinoides, Rubiaceae). Bull. Torrey Bot. Club 104: 202-208. Google Scholar

Reveal, J.L., C.R. Broome, M.L. Brown, and G.F. Frick. 2007. On the identities of Maryland plants mentioned in the first two editions of Linnaeus' Species Plantarum. Huntia 7: 209-245. Google Scholar

Rogers, G.K. 2005. The genera of Rubiaceae in the southeastern United States, part II. Subfamily Rubioideae, and subfamily Cinchonoideae revisited (Chiococca, Erithalis, and Guettarda). Harvard Papers in Botany 10: 1-45. Google Scholar

Soza, V., and R.G. Olmstead. 2010. Molecular systematics of tribe Rubieae (Rubiaceae): evolution of major clades, development of leaf-like whorls, and biogeography. Taxon 59: 755-771. Google Scholar

Stace, C. 2010. New flora of the British Isles, third edition. Cambridge Univ. Press, Cambridge. 1232 pp. Google Scholar

Yang, L.-E., Y. Meng, D.-L. Peng, Z.-L. Nie, and H. Sun. 2018. Molecular phylogeny of Galium L. of the tribe Rubieae (Rubiaceae) – Emphasis on Chinese species and recognition of a new genus Pseudogalium. Molec. Phyl. Evol. 126: 221-232. Google Scholar