Shrubby Deervetch

Acmispon rigidus

Red-flowered Bird's-foot Trefoil

Acmispon rubriflorus

Hairy Lotus

Acmispon strigosus

Chilean Bird's-foot Trefoil

Acmispon wrangelianus

Columbian Monkshood

Aconitum columbianum

Columbian Monkshood

Aconitum columbianum ssp. columbianum

Howell's Monkshood

Aconitum columbianum ssp. viviparum

Davis' Knotweed

Aconogonon davisiae

Newberry's Smartweed

Aconogonon newberryi

Poke Knotweed

Aconogonon phytolaccifolium

Sacapellote

Acourtia microcephala

Red Baneberry

Actaea rubra

Western Houndstongue

Adelinia grandis

American Trailplant

Adenocaulon bicolor

Cooper's Dyssodia

Adenophyllum cooperi

San Felipe Dogweed

Adenophyllum porophylloides

Chamise

Adenostoma fasciculatum

Black Diamond Chamise

Adenostoma fasciculatum 'Black Diamond'

Nicolas Chamise

Adenostoma fasciculatum 'Nicolas'

Prostrate Chamise

Adenostoma fasciculatum 'Prostrate'

Prostrate Chamise

Adenostoma fasciculatum 'San Nicolas'

Santa Cruz Island Chamise

Adenostoma fasciculatum 'Santa Cruz Island'

Chamise

Adenostoma fasciculatum var. fasciculatum

San Diego Chamise

Adenostoma fasciculatum var. obtusifolium

Prostrate Chamise

Adenostoma fasciculatum var. prostratum

Red Shanks

Adenostoma sparsifolium

Five Finger Fern

Adiantum aleuticum

Southern Maiden Hair

Adiantum capillus-veneris

Banksianum Maidenhair Fern

Adiantum capillus-veneris 'Banksianum'

California Maiden Hair Fern

Adiantum jordanii

California Adolphia

Adolphia californica

California Buckeye

Aesculus californica

Buckeye Blushing Dawn

Aesculus californica 'Blushing Dawn'

Canyon Pink California Buckeye

Aesculus californica 'Canyon Pink'

Small-leaf Giant Hyssop

Agastache parvifolia

Nettle Leaf Giant Hyssop

Agastache urticifolia

Desert Agave

Agave deserti

Desert Agave

Agave deserti var. deserti

Desert Agave

Agave deserti var. simplex

Coastal Agave

Agave shawii

Shaw Agave

Agave shawii var. shawii

Clark Mountain Agave

Agave utahensis

Ivory-spined Agave

Agave utahensis var. eborispina

Clark Mountain Agave

Agave utahensis var. nevadensis

Desert Ageratina

Ageratina herbacea

Western Snakeroot

Ageratina occidentalis

Shasta Ageratina

Ageratina shastensis

Seaside Agoseris

Agoseris apargioides

Coast Dandelion

Agoseris apargioides var. apargioides

Beach Dandelion

Agoseris apargioides var. eastwoodiae

Woolly Goat Chicory

Agoseris apargioides var. maritima

Orange Flowered Agoseris

Agoseris aurantiaca

Orange Agoseris

Agoseris aurantiaca var. aurantiaca

Pale Agoseris

Agoseris dasycarpa

Tall Agoseris

Agoseris elata

Pale Dandelion

Agoseris glauca

Pale Agoseris

Agoseris glauca var. glauca

California Dandelion

Agoseris grandiflora

Giant Mountain Dandelion

Agoseris grandiflora var. grandiflora

Agoseris grandiflora var. leptophylla