Rush Pussytoes
Antennaria luzuloides ssp. luzuloides
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Yellow Twining Snapdragon
Antirrhinum filipes
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Valley Ringstem
Anulocaulis annulatus
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Bigberry Manzanita
Arctostaphylos glauca
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Los Angeles Bigberry Manzanita
Arctostaphylos glauca 'Los Angeles'
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Malibu Bigberry Manzanita
Arctostaphylos glauca 'Malibu'
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Margarita Pearl Bigberry Manzanita
Arctostaphylos glauca 'Margarita Pearl'
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Wayne's Dwarf Bigberry Manzanita
Arctostaphylos glauca 'Wayne's Dwarf'
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Prickly Poppy
Argemone corymbosa
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Chicalote
Argemone munita
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Jones' False Cloak-fern
Argyrochosma jonesii
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Sixweeks Threeawn
Aristida adscensionis
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California Three-awn
Aristida californica
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Oldfield Three-awn
Aristida oligantha
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Purple Three Awn
Aristida purpurea
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Red Three Awn
Aristida purpurea var. longiseta
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Nealley Three-awn
Aristida purpurea var. nealleyi
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Parish Three-awn
Aristida purpurea var. parishii
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Purple Threeawn
Aristida purpurea var. purpurea
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Wright Three-awn
Aristida purpurea var. wrightii
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Soro Arnica
Arnica sororia
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Low Sagebrush
Artemisia arbuscula
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California Sagebrush
Artemisia californica
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Canyon Gray Sagebrush
Artemisia californica 'Canyon Gray'
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Montara Sagebrush
Artemisia californica 'Montara'
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Silver Sagebrush
Artemisia cana
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Silver Sagebrush
Artemisia cana ssp. bolanderi
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Wild Tarragon
Artemisia dracunculus
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Silver Wormwood
Artemisia ludoviciana
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Silver King Wormwood
Artemisia ludoviciana 'Silver King'
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Silver Queen Silver Wormwood
Artemisia ludoviciana 'Silver Queen'
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Valerie Finnis Wormwood
Artemisia ludoviciana 'Valerie Finnis'
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Budsage
Artemisia spinescens
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Big Sagebrush
Artemisia tridentata
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Whitestem Milkweed
Asclepias albicans
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Pallid Milkweed
Asclepias cryptoceras
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Desert Milkweed
Asclepias erosa
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Skeleton Milkweed
Asclepias subulata
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Sharpkeel Milkvetch
Astragalus acutirostris
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Astragalus allochrous
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Anderson's Milkvetch
Astragalus andersonii
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Annual Desert Milkvetch
Astragalus aridus
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Mourning Milkvetch
Astragalus atratus
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Klamath Milkvetch
Astragalus californicus
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Canadian Milkvetch
Astragalus canadensis
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Shorttooth Canadian Milkvetch
Astragalus canadensis var. brevidens
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Case's Milkvetch
Astragalus casei
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Cima Milkvetch
Astragalus cimae
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Curvepod Milkvetch
Astragalus curvicarpus
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Sickle Milkvetch
Astragalus curvicarpus var. curvicarpus
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Dwarf White Milkvetch
Astragalus didymocarpus
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Douglas' Milkvetch
Astragalus douglasii
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Basalt Milkvetch
Astragalus filipes
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Geyer's Milkvetch
Astragalus geyeri
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Gibbs' Milkvetch
Astragalus gibbsii
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Cedros Milkvetch
Astragalus insularis
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Humboldt River Milkvetch
Astragalus iodanthus var. iodanthus
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Spiny Milkvetch
Astragalus kentrophyta
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Layne Milkvetch
Astragalus layneae
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Spotted Locoweed
Astragalus lentiginosus