Critically Imperiled Plant Profile (Not Listed or Proposed under the Endangered Species Act)
Erigeron maniopotamicus, Mad River fleabane daisy
- Road maintenance, grazing, and logging.
National Forest and Grassland Occurrence
- Flora of North America: Erigeron maniopotamicus
- A New Species of Erigeron (Asteraceae: Astereae) from Northwestern California
Note: This species was published in the scientific literature in 2004, so is not yet in the standard print floras of California; but it is included in the recently published Flora of North America.