Davis’ Peppergrass

Photo Credit: Oregon Department of Agriculture


  • Species Common Name Davis' Peppergrass
  • Species Scientific Name Lepidium davisii
  • Federal Listing Status Species of Concern
  • State Listing Status Threatened


Special needs

Davis' peppergrass occurs on hard, white clayey playas at elevations from 3100-5600 feet. These poorly-drained areas are often inundated with standing water.

Limiting factors

Off-road vehicles and trampling (due to use of habitat as watering sites for feral and domestic livestock) are among threats to this species.

Conservation actions

Fence populations on public land to reduce impacts from off-road vehicles and grazing.

Key reference or plan

Oregon Department of Agriculture Plant Conservation