Rare Plants

Small white blooms above sand
Yellowstone is home to three endemic plant species, or species that occur only in Yellowstone and nowhere else in the world. Yellowstone sand verbena, shown here, is only found along the shore of Yellowstone Lake.

NPS / Jennifer Whipple

 

The Greater Yellowstone region has few endemic plant species, or species that occur only in Yellowstone and nowhere else in the world. Endemic species occur in unusual or specialized habitats such as hydrothermal areas. Within Yellowstone, only three endemic species occur: Ross’s bentgrass (Agrostis rossiae), Yellowstone sand verbena (Abronia ammophila), and Yellowstone sulfur wild buckwheat (Eriogonum umbellatum var. cladophorum).

Several other unusual species live in the Greater Yellowstone Area: warm springs spike rush, which grows in warm water; and Tweedy’s rush, sometimes the only vascular plant growing in acidic hydrothermal areas.

 

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Mailing Address:

P.O. Box 168
Yellowstone National Park, WY 82190-0168

Phone:

(307) 344-7381
Recorded information. For road and weather information, please dial 307-344-2117.

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