• Photo of park visitors enjoying sunset from the Alpine Ridge Trail in Rocky Mountain National Park.

    Rocky Mountain

    National Park Colorado

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Threatened and Endangered Plant Species

Endangered Species Act (ESA) Endangered, Threatened, and Candidate Species List for Rocky Mountain National Park

The following table contains a list of species that are specific to Rocky Mountain National Park and are federally listed as endangered, threatened or candidates for listing, by the U.S. Fish and Wildlife Service under the provisions of the Endangered Species Act. The U.S. Fish and Wildlife Service has reviewed the list and provided a letter of concurrence dated January 15, 2004.

The species that are included in the table must meet one of the following criteria:

  • The species is known to occur within the park.
  • The species does not occur within the park, but suitable habitat is available, the habitat is within the known elevation range for the species, and the species is known to exist in counties that the park occupies.
  • The species does not occur within the park, but actions within the park have the potential to affect the species.

In compliance with the Endangered Species Act, all management actions within the park are evaluated to determine if they will have any effect on endangered, threatened or candidate species on this list.

Federally Listed and Candidate Species & Their Status in Colorado

Known to Occur in RMNP

Known to Occur in Boulder County

Known to Occur in Larimer County

Known to Occur in Grand County


Colorado butterfly plant, Gaura neomexicana spp. Coloradensis, Threatened





Utes ladies’-tresses, Spiranthes diluvialis, Threatened





Table Terminology

Endangered means the species could become extinct
Threatened means the species could become endangered

Last modified 12/2004

Did You Know?

a photo of a comfort station

Daily during the summer, Rocky's custodial crew cleans 102 toilets in comfort stations at trailheads and along roads. They also clean around 100 toilets in campground comfort stations, 30 visitor center toilets, and 35 toilets for park staff. That's 267 toilets cleaned every day of the summer!