Lepidium barnebyanum

It is endemic to Utah, where there is a single population in Duchesne County.

It is a federally listed endangered species of the United States.

The inflorescence is a raceme of many white, cream, or yellowish flowers.

[2] This plant grows in pinyon-juniper woodland and desert scrub on rock outcrops in white shale formations.

[3] Common plants in the area include Colorado Pinyon (Pinus edulis), Utah juniper (Juniperus osteosperma), Hooker's sandwort (Arenaria hookeri), spiny phlox (Phlox hoodii), Colorado feverfew (Parthenium ligulatum), large-flowered goldenweed (Haplopappus armerioides), stemless hymenoxys (Hymenoxys acaulis), Bateman's buckwheat (Eriogonum batemanii), and table Townsend daisy (Townsendia mensana).