South Fork John Day Milkvetch – Oregon Conservation Strategy

Photo Credit: Oregon Department of Agriculture

Overview

Species Common Name South Fork John Day Milkvetch
Species Scientific Name Astragalus diaphanus var. diurnus
State Listing Status Threatened

Ecoregions

Blue Mountains

Located in NE Oregon, the Blue Mountains ecoregion is the largest ecoregion in the state. It provides a diverse complex of mountain ranges, valleys, and plateaus that extend beyond Oregon into the states of Idaho and Washington.

Special needs

This species occurs on barren ash in stream bottom habitat of the South Fork of the John Day River.

Limiting factors

Habitat loss and road construction are major threats to the South Fork John Day milkvetch.

Data gaps

None. The restricted distribution is well-understood.

Conservation actions

Develop voluntary conservation projects with private landowners since most sites are privately-owned and habitat has low economic value.

Key reference or plan

Oregon Department of Agriculture Plant Conservation