- Species Common Name Pumice Grape-fern
- Species Scientific Name Botrychium pumicola
- State Listing Status Threatened
The East Cascade ecoregion extends from the Cascade Mountains’ summit east to the warmer, drier high desert and down the length of the state. This ecoregion varies dramatically from its cool, moist border with the West Cascades ecoregion to its dry eastern border, where it meets sagebrush desert landscapes.