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U.S. Forest Service

Critically Imperiled Plant Profile (Not Listed or Proposed under the Endangered Species Act)

Eriogonum butterworthianum. The entire geographic range of this wild buckwheat covers less than 3 square miles, on sandstone substrate in Monterey County. Photo © 1999 John Game.

Eriogonum butterworthianum. Butterworth’s buckwheat is a small shrub, up to 30 centimeters (about 1 foot) tall.

Eriogonum butterworthianum. Like many other wild buckwheat species, this one’s leaves are pubescent, with leaf margins that are rolled under.

Eriogonum butterworthianum range map. Eriogonum butterworthianum range map.

Eriogonum butterworthianum, Butterworth’s buckwheat


  • Vulnerable to stochastic effects due to low population sizes and extremely narrow range
  • Possible threat of trampling

Conservation Status

National Forest and Grassland Occurrence

More Information