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
Pulsatilla patens
Also Known As
Eastern pasqueflower, Anemone patens, Prairie crocus, Windflower, Cutleaf anemone
A distinctive feature of this western grassland native is the feathery, silky fruiting head. The leaves, flowers, and stalks are all covered with silver white hairs. In moist areas in mountains, you can also see the western pasqueflower which is larger, has white flowers, and more finely divided leaves.

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
Symphyotrichum oblongifolium
Also Known As
Aromatic American aster, Fall aster, Wild blue aster, Shale barren aster
Aromatic aster is a native perennial wildflower that grows from 1–3 feet tall. The aster’s rigid stems branch out from the base.  The name derives from the balsam-like scent when stems are crushed or broken.

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
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
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).

Scientific name
Rudbeckia fulgida
Also Known As
Orange coneflower
A common perennial growing up to 47 inches tall with bright yellow, daisy-like composite flower heads, often up to 2.5 inches across.

Scientific name
Eschscholzia californica
California poppies have bright orange-yellow flowers that are distinctly upright and bell-shaped. The leaflets do not clasp around the stem like they do in the common garden poppy.