Scientific name
Medicago sativa
Also Known As
Lucerne, Purple medick
Alfalfa is a clover-like plant with leaves in threes that are distinct because the leaflets have teeth only on the upper head of the leaflets. Alfalfa also has dense heads of purple flowers.

Scientific name
Helianthus annuus
This sunflower species has rough, hairy stems, triangular-shaped leaves, and flower heads up to 6 inches wide. It can be between 2 and 10 feet tall.

Scientific name
Purshia tridentata
Antelope bitterbrush is a perennial, deciduous shrub or small tree with rigid branches and wedge-shaped leaves. The leaves are also deeply 3-lobed at the tip.

Scientific name
Fallugia paradoxa
This desert woodland shrub has white four-petaled flowers, with white, feathery-looking styles that are especially showy after the petals fall away.

Scientific name
Malus pumila
Also Known As
Common apple, Paradise apple
The common apple is distinguished by its tough rounded leaves which are hairy below. The leaves appear rolled as they emerge from the buds.

Scientific name
Populus balsamifera
Also Known As
Black cottonwood, Populus trichocarpa
Balsam poplar trees (also known as cottonwoods) have rounded, lance-shaped leaves with short stems and fruits that are capsules which split in 2 parts.

Scientific name
Artemisia tridentata
Big sagebrush are tall, rounded shrubs with wedge-shaped leaves with 3-5 teeth at the tips. They have a strong turpentine-like odor and small, inconspicuous flowers.

Scientific name
Lupinus polyphyllus
Also Known As
Wyeth's lupine
Big-leaf lupine is a perennial forb with purple to blue flowers, distinguished from the other 200 lupine species in North America by hairless or sparsely hairy banner and keel.

Scientific name
Lewisia rediviva
Bitter root is often found in open rocky habitats. The leaves generally lay flat around the central root of the plant and the pink flowers, low to the ground, have more than 2 petal-like sepals.

Scientific name
Populus trichocarpa
Also Known As
California poplar
At one time considered by botanists to be a subspecies of P. balsamifera, this closely related species differs in having a 3-valved fruit capsule covered in short hairs (balsam poplar has a 2-valved capsule with no hairs).