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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
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
Write-in vote: vote
We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
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References

For Nasturtium

Al-Shehbaz, I.A. 1988a. The genera of Arabideae (Cruciferae; Brassicaceae) in the southeastern United States. J. Arnold Arb. 69: 85-166. Google Scholar

Al-Shehbaz, I.A. 2010a. Brassicaceae. In Flora of North America Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7, Magnoliophyta: Brassicaceae to Salicaceae. Oxford Univ. Press, New York, NY. 797 pp. Google Scholar

Al-Shehbaz, I.A., and R.A. Price. 1998. Delimitation of the genus Nasturtium (Brassicaceae). Novon 8: 124-126. Google Scholar

Franzke, A., K. Pollmann, W. Bleeker, R. Kohrt, and H. Hurka. 1998. Molecular systematics of Cardamine and allied genera (Brassicaceae): ITS and non-coding chloroplast DNA. Folia Geobotanica 33: 225-240. Google Scholar

Green, P.S. 1962. Watercress in the New World. Rhodora 64: 32-43. Google Scholar

Rollins, R.C. 1993. The Cruciferae of continental North America: systematics of the mustard family from the Arctic to Panama. Stanford Univ. Press, Stanford, CA. 976 pp. Google Scholar

Stuckey, R.L. 1972. Taxonomy and distribution of the genus Rorippa (Cruciferae) in North America. Sida 4: 279-430. Google Scholar