Roezl's Penstemon

Penstemon roezlii

Beaked Penstemon

Penstemon rostriflorus

Rock Beardtongue

Penstemon rupicola

Rydberg's Penstemon

Penstemon rydbergii

Mountain Meadow Beardtongue

Penstemon rydbergii var. oreocharis

Royal Penstemon

Penstemon speciosus

Susanville Beardtongue

Penstemon sudans

Swamp Knotweed

Persicaria amphibia

Mountain Phlox

Phlox austromontana

Tufted Phlox

Phlox caespitosa

Dwarf Phlox

Phlox condensata

Spreading Phlox

Phlox diffusa

High Sierra Phlox

Phlox dispersa

Douglas Phlox

Phlox douglasii

Spiny Phlox

Phlox hoodii

Spiny Phlox

Phlox hoodii ssp. canescens

Pulvinate Phlox

Phlox pulvinata

Showy Phlox

Phlox speciosa

Cold-desert Phlox

Phlox stansburyi

Phlox stansburyi ssp. stansburyi

Phlox stansburyi var. brevifolia

Mrs. Austin's Knotweed

Polygonum austiniae

California Knotweed

Polygonum californicum

Douglas' Knotweed

Polygonum douglasii

Broadleaf Knotweed

Polygonum minimum

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

Polygonum sawatchense

Polygonum sawatchense ssp. oblivium

Polygonum sawatchense ssp. sawatchense

Shasta Knotweed

Polygonum shastense

Spurry Knotweed

Polygonum spergulariiforme

Fremont Cottonwood

Populus fremontii

Black Cottonwood

Populus trichocarpa

Desert Peach

Prunus andersonii

Bitter Cherry

Prunus emarginata

Desert Range Almond

Prunus fasciculata

Klamath Plum

Prunus subcordata

Chokecherry

Prunus virginiana

Western Chokecherry

Prunus virginiana var. demissa

Alisma Leaved Buttercup

Ranunculus alismifolius

Plantainleaf Buttercup

Ranunculus alismifolius var. alismellus

Plantainleaf Buttercup

Ranunculus alismifolius var. alismifolius

Ranunculus alismifolius var. hartwegii

Ranunculus alismifolius var. lemmonii

Anderson's Buttercup

Ranunculus andersonii

Common Water-crowfoot

Ranunculus aquatilis

Ranunculus aquatilis var. aquatilis

Hairleaf Water Buttercup

Ranunculus aquatilis var. diffusus

California Buttercup

Ranunculus californicus

Sacramento Valley Buttercup

Ranunculus canus

Desert Buttercup

Ranunculus cymbalaria

Eschscholtz's Buttercup

Ranunculus eschscholtzii

Eschscholtz's Buttercup

Ranunculus eschscholtzii var. eschscholtzii

Eschscholtz's Buttercup

Ranunculus eschscholtzii var. oxynotus

Ranunculus eschscholtzii var. suksdorfii

Buttercup

Ranunculus flammula