Missouri Gourd

Cucurbita foetidissima

Rattlesnake Weed

Daucus pusillus

Tall Blue Lettuce

Lactuca biennis

Blue Lettuce

Lactuca tatarica

Lactuca tatarica ssp. pulchella

Prairie Flax

Linum lewisii

Prairie Flax

Linum lewisii var. lewisii

Coyote Tobacco

Nicotiana attenuata

Indian Tobacco

Nicotiana quadrivalvis

Swamp Knotweed

Persicaria amphibia

Water Pepper

Persicaria hydropiperoides

Water Smartweed

Persicaria punctata

Mrs. Austin's Knotweed

Polygonum austiniae

Bolander's Knotweed

Polygonum bolanderi

California Knotweed

Polygonum californicum

Douglas' Knotweed

Polygonum douglasii

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

Modoc County Knotweed

Polygonum polygaloides ssp. esotericum

Kellogg's Knotweed

Polygonum polygaloides ssp. kelloggii

Bushy Knotweed

Polygonum ramosissimum

Polygonum sawatchense

Polygonum sawatchense ssp. oblivium

Polygonum sawatchense ssp. sawatchense

Shasta Knotweed

Polygonum shastense

Spurry Knotweed

Polygonum spergulariiforme

Desert Peach

Prunus andersonii

Bitter Cherry

Prunus emarginata

Desert Range Almond

Prunus fasciculata

Prunus fasciculata var. fasciculata

Sand Almond

Prunus fasciculata var. punctata

Hollyleaf Cherry

Prunus ilicifolia

Hollyleaf Cherry

Prunus ilicifolia ssp. ilicifolia

Klamath Plum

Prunus subcordata

Klamath Plum

Prunus subcordata var. subcordata

Chokecherry

Prunus virginiana

Western Chokecherry

Prunus virginiana var. demissa

California Dock

Rumex californicus

Willow Dock

Rumex crassus

Golden Dock

Rumex fueginus

Canaigre

Rumex hymenosepalus

Rumex lacustris

Western Dock

Rumex occidentalis

Alpine Sheep Sorrel

Rumex paucifolius

Rumex persicarioides

Willow Dock

Rumex salicifolius

Rumex transitorius

Rumex triangulivalvis

Winged Dock

Rumex venosus

American Black Nightshade

Solanum americanum

Douglas' Nightshade

Solanum douglasii

Parish's Nightshade

Solanum parishii

Bluewitch Nightshade

Solanum umbelliferum

Catalina Nightshade

Solanum wallacei

Purple Nightshade

Solanum xanti