Box Elder

Acer negundo

Cascara Sagrada

Frangula purshiana

Sunflower

Helianthus annuus

Quaking Aspen

Populus tremuloides

Vine Maple

Acer circinatum

Rocky Mountain Maple

Acer glabrum

Mountain Maple

Acer glabrum var. glabrum

Big Leaf Maple

Acer macrophyllum

Narrow Leaved Onion

Allium amplectens

Bolander's Onion

Allium bolanderi

Bolander's Onion

Allium bolanderi var. bolanderi

Sierra Onion

Allium campanulatum

Coast Onion

Allium dichlamydeum

Scytheleaf Onion

Allium falcifolium

Hickman's Onion

Allium hickmanii

Beegum Onion

Allium hoffmanii

Pitted Onion

Allium lacunosum

Pitted Onion

Allium lacunosum var. lacunosum

Mexicali Onion

Allium peninsulare

Franciscan Onion

Allium peninsulare var. franciscanum

Siskiyou Onion

Allium siskiyouense

One Leaf Onion

Allium unifolium

Gray Alder

Alnus incana

Mountain Alder

Alnus incana ssp. tenuifolia

White Alder

Alnus rhombifolia

Red Alder

Alnus rubra

Green Alder

Alnus viridis

Sitka Alder

Alnus viridis ssp. sinuata

Procumbent Pigweed

Amaranthus blitoides

Powell's Amaranth

Amaranthus powellii

Watson's Amaranth

Amaranthus watsonii

Annual Bursage

Ambrosia acanthicarpa

Beach Bur

Ambrosia chamissonis

Weakleaf Bur Ragweed

Ambrosia confertiflora

Western Ragweed

Ambrosia psilostachya

Nodding Bur-marigold

Bidens cernua

Sticktight

Bidens frondosa

Bur Marigold

Bidens laevis

Western Bistort

Bistorta bistortoides

Pitseed Goosefoot

Chenopodium berlandieri

Pitseed Goosefoot

Chenopodium berlandieri var. sinuatum

Chenopodium berlandieri var. zschackei

California Goosefoot

Chenopodium californicum

Red Goosefoot

Chenopodium rubrum

Chenopodium rubrum var. humile

Beaked Hazelnut

Corylus cornuta

California Hazel

Corylus cornuta ssp. californica

Rattlesnake Weed

Daucus pusillus

Coffeeberry

Frangula californica

California Coffeeberry

Frangula californica ssp. californica

Western California Coffeeberry

Frangula californica ssp. occidentalis

Hoary Coffeeberry

Frangula californica ssp. tomentella

Frangula purshiana ssp. purshiana

Sierra Coffeeberry

Frangula rubra

Oregon Ash

Fraxinus latifolia

Bicknell's Cranesbill

Geranium bicknellii

Carolina Crane's-bill

Geranium carolinianum

Serpentine Sunflower

Helianthus bolanderi

Telegraph Weed

Heterotheca grandiflora

Oregon False Goldenaster

Heterotheca oregona