Pitseed Goosefoot

Chenopodium berlandieri

Pitseed Goosefoot

Chenopodium berlandieri var. sinuatum

Chenopodium berlandieri var. zschackei

California Goosefoot

Chenopodium californicum

Aridland Goosefoot

Chenopodium desiccatum

Fremont's Goosefoot

Chenopodium fremontii

Oak-leaved Goosefoot

Chenopodium glaucum

Chenopodium glaucum var. salinum

Hians Goosefoot

Chenopodium hians

Mealy Goosefoot

Chenopodium incanum

Chenopodium incanum var. occidentale

Narrowleaf Goosefoot

Chenopodium leptophyllum

Desert Goosefoot

Chenopodium pratericola

Red Goosefoot

Chenopodium rubrum

Chenopodium rubrum var. humile

Large-seeded Goosefoot

Chenopodium simplex

Crataegus castlegarensis

Black Hawthorn

Crataegus douglasii

Klamath Hawthorn

Crataegus gaylussacia

Rattlesnake Weed

Daucus pusillus

Texas Filaree

Erodium texanum

Great Valley Gumweed

Grindelia camporum

Ash Meadows Gumplant

Grindelia fraxinipratensis

San Diego Gumplant

Grindelia hallii

Idaho Gumplant

Grindelia nana

Oregon Gumweed

Grindelia stricta

Marsh Gumplant

Grindelia stricta var. angustifolia

Gumweed

Grindelia stricta var. platyphylla

Oregon Gumweed

Grindelia stricta var. stricta

Suisun Gumplant

Grindelia x paludosa

Sunflower

Helianthus annuus

Serpentine Sunflower

Helianthus bolanderi

California Sunflower

Helianthus californicus

Cusick's Sunflower

Helianthus cusickii

Serpentine Sunflower

Helianthus exilis

Slender Sunflower

Helianthus gracilentus

Showy Sunflower

Helianthus niveus

Nuttall's Sunflower

Helianthus nuttallii

Los Angeles Sunflower

Helianthus nuttallii ssp. parishii

Prairie Sunflower

Helianthus petiolaris

Tall Blue Lettuce

Lactuca biennis

Blue Lettuce

Lactuca tatarica

Lactuca tatarica ssp. pulchella

Oregon Crab Apple

Malus fusca

Swamp Knotweed

Persicaria amphibia

Water Pepper

Persicaria hydropiperoides

Water Smartweed

Persicaria punctata

Mrs. Austin's Knotweed

Polygonum austiniae

Bidwell's Knotweed

Polygonum bidwelliae

Bolander's Knotweed

Polygonum bolanderi

California Knotweed

Polygonum californicum

Douglas' Knotweed

Polygonum douglasii

Scotts Valley Polygonum

Polygonum hickmanii

Wiry Knotweed

Polygonum majus

Marin Knotweed

Polygonum marinense

Broadleaf Knotweed

Polygonum minimum

Beach Knotweed

Polygonum paronychia

Parry's

Polygonum parryi

Milkwort Knotweed

Polygonum polygaloides

Fruitleaf Knotweed

Polygonum polygaloides ssp. confertiflorum