Gunnison milkvetch (Astragalus anisus) is a small plant in the Fabaceae (Pea Family) that is known only from the Gunnison Basin in Gunnison and Saguache counties, Colorado, and is considered to be imperiled at a global and state level. Avoiding or minimizing impacts to this species during road maintenance will effectively help to conserve its habitat and is unlikely to confer substantial impacts on road maintenance goals and projects.

Rabbit Ears gilia (Ipomopsis aggregata ssp. weberi) is a tall herbaceous plant in the Polemoniaceae (Phlox Family) that is known from north central Colorado in Grand, Jackson, and Routt counties, and is also found in northern Idaho and south central Wyoming and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness of its existence and status. Avoiding...

Colorado green gentian (Frasera coloradensis) is a small plant in the Gentianaceae (Gentian Family) that is known only from the southeastern Colorado in Baca, Bent, Prowers, and Las Animas counties and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness of its existence and status. Avoiding or minimizing impacts to this species during road maintenance...

DeBeque milkvetch (Astragalus debequaeus) is a small plant in the Fabaceae (Pea Family) that is known only from the Colorado River Valley in Delta, Garfield and Mesa counties, Colorado and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness of its existence and status. Avoiding or minimizing impacts to this species during road maintenance activities...

Grand Mesa penstemon (Penstemon mensarum) is a tall, dark-blue-flowered plant in the Scrophulariaceae (Figwort Family) that is known only from the vicinity of Grand Mesa in Gunnison, Delta, Mesa, and Pitkin counties, Colorado. This distinctive species is not known from anywhere else in the world, and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness...

Arkansas Canyon stickleaf (Nuttallia densa) is a small, yellow-flowered, subshrub in the Loasaceae (Blazingstar Family) that is known only from the Upper Arkansas River Basin in Fremont and Chaffee counties, Colorado, and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness of its existence and status. Avoiding or minimizing impacts to this species...

Golden blazing is a tall plant, with thick stems, and attractive, 10-petaled bright yellow flowers. Golden blazing star is found primarily on the Smoky Hill member of the Niobrara shale, in the middle Arkansas Valley, in Fremont and Pueblo counties, Colorado, and nowhere else in the world. Golden blazing star is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack...