Sexton Mountain Mariposa Lily – Oregon Conservation Strategy

Photo Credit: Oregon Department of Agriculture

Overview

Species Common Name Sexton Mountain Mariposa Lily
Species Scientific Name Calochortus indecorus
State Listing Status Endangered

Ecoregions

Klamath Mountains

The Klamath Mountains ecoregion covers much of southwestern Oregon, including the Umpqua Mountains, Siskiyou Mountains, and interior valleys and foothills between these and the Cascade Range. The Rogue watershed has the largest population of any coastal watershed in Oregon (Jackson County, Josephine County, and a portion of Curry County). Several popular and scenic rivers run …

Special needs

The Sexton Mountain mariposa lily is previously known from moist, rocky serpentine soils. The species may now be extinct.

Limiting factors

Over-collection, grazing, and agricultural development may have impacted this species.

Data gaps

Conduct surveys to determine whether or not this species has been extirpated. Perform a taxonomic review of this species.

Conservation actions

If populations are located, determine conservation actions needed to maintain them.

Key reference or plan

Oregon Department of Agriculture Plant Conservation