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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 Duravia

Brandbyge. 1993. In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar

Costea, M., and F.J. Tardif. 2003a. Nomenclatural changes in the genus Polygonum section Polygonum (Polygonaceae). Sida 20: 987-997. Google Scholar

Costea, M., F.J. Tardif, and H.R. Hinds. 2005f. Polygonum. In Flora of North America Editorial Committee. 2005. Flora of North America north of Mexico. Volume 5, Magnoliophyta: Caryophyllidae, part 2. Oxford Univ. Press, New York, NY. 656 pp. Google Scholar

Ronse De Craene, L.P., S.-P. Hong, and E.F. Smets. 2004. What is the taxonomic status of Polygonella? Evidence of floral morphology. Ann. Missouri Bot. Gard. 91: 320-345. Google Scholar