Title: Conservation assessment for bloodroot in the Black Hills National Forest, South Dakota and Wyoming
Author: Hornbeck, J.Hope; Sieg, Carolyn Hull; Reyher, Deanna J.
Source: Custer, SD: U.S. Department of Agriculture, Forest Service, Rocky Mountain Region, Black Hills National Forest. 34 p
Description: Bloodroot, Sanguinaria canadensis L. (Papaveraceae), is a common spring flowering herb in the deciduous forests of eastern North America. It is disjunctly distributed in the northeastern Black Hills of South Dakota. There are 22 known occurrences of bloodroot on Black Hills National Forest in hardwood forests, shrub thickets, and floodplain habitats of limited distribution. Bloodroot occurrences in the Black Hills are associated with beaver (Castor canadensis) dams, beaver-created floodplains, forested terraces, drainage bottoms, and north-facing footslopes. The species is considered secure on the forest at this time, but due to limited potential habitat, invasion by noxious and other invasive plants needs to be monitored. The species is not currently at risk from livestock grazing, as nine sites are currently not grazed and one site is not accessible to livestock. Timber harvest is not deemed a risk to bloodroot because known occurrences will either be avoided or timber management will be designed to benefit the species. Illegal bloodroot harvesting is not currently an issue in the Black Hills, but due to its value as a medicinal herb, harvesting could be detrimental. In the future, its persistence could be vulnerable to random natural catastrophes, long-term climate change, and drought. There is a monitoring plan to annually track four “key”, widely distributed occurrences that encompass its range of habitats and topographic positions, and potential risks.
Keywords: bloodroot, Sanguinaria canadensis, beaver ecology, Black Hills
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Hornbeck, J.Hope; Sieg, Carolyn Hull; Reyher, Deanna J. 2003. Conservation assessment for bloodroot in the Black Hills National Forest, South Dakota and Wyoming. Custer, SD: U.S. Department of Agriculture, Forest Service, Rocky Mountain Region, Black Hills National Forest. 34 p
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