An endemic of the southeastern Coastal Plain from Florida to North Carolina. The current distribution has been reduced to only two small areas in North Carolina and one in Florida (three to four possible populations have also been observed within a single drainage in Georgia, but these have not been positively identified as Thalictrum cooleyi). At least six historical occurrences have been lost to conversion of habitat to silviculture or agriculture and these factors continue to threaten some of the few remaining populations. Throughout the range, fire suppression has increased the relative rarity of suitable habitat (which was probably never abundant) and contributed to the species' overall decline. The remaining populations will need active management with prescribed burns in order to persist.
Habitat loss through succession due to fire suppression
Mining (part of one population exists on the edge of an inactive marl pit mine
12 locations, 11 in North Carolina and 1 in Florida (USFWS 1990)
At one of the sites where this species occurs in North Carolina, The Nature Conservancy is working with the landowner, a commercial timber company, to manage the habitat with prescribed fire. Another site in North Carolina is being managed by The Nature Conservancy in a similar way. (USFWS 1990)
Research on population biology
Maintain existing collection at the North Carolina Botanical Garden.
Explore possibility of conducting reintroduction projects.
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