Cambria Morning-glory

Calystegia subacaulis ssp. episcopalis

Hillside False Bindweed

Calystegia subacaulis ssp. subacaulis

Pinyon Goosefoot

Chenopodium atrovirens

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

Narrowleaf Goosefoot

Chenopodium leptophyllum

Desert Goosefoot

Chenopodium pratericola

Red Goosefoot

Chenopodium rubrum

Chenopodium rubrum var. humile

Small-flowered Morning-glory

Convolvulus simulans

Sacred Datura

Datura wrightii

California Saltbush

Extriplex californica

Groundsel

Packera breweri

Swamp Knotweed

Persicaria amphibia

Water Pepper

Persicaria hydropiperoides

Water Smartweed

Persicaria punctata

Mrs. Austin's Knotweed

Polygonum austiniae

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

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

Chaparral Ragwort

Senecio aphanactis

Rayless Ragwort

Senecio aronicoides

San Gabriel Ragwort

Senecio astephanus

Dune Ragwort

Senecio blochmaniae

California Ragwort

Senecio californicus

Clark's Ragwort

Senecio clarkianus

Threadleaf Ragwort

Senecio flaccidus

Douglas' Groundsel

Senecio flaccidus var. douglasii

Smooth Threadleaf Ragwort

Senecio flaccidus var. monoensis

Dwarf Mountain Ragwort

Senecio fremontii

Dwarf Mountain Ragwort

Senecio fremontii var. fremontii

Western Dwarf Mountain Ragwort

Senecio fremontii var. occidentalis

Sweet Marsh Ragwort

Senecio hydrophiloides

Water Groundsel

Senecio hydrophilus

Lambstongue Ragwort

Senecio integerrimus

Columbia Ragwort

Senecio integerrimus var. exaltatus

Lambs-tongue Ragwort

Senecio integerrimus var. major

Island Senecio

Senecio lyonii