Tidestrom's Milkvetch
Astragalus tidestromii
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Trask's Milkvetch
Astragalus traskiae
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Triple-ribbed Milkvetch
Astragalus tricarinatus
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Santa Barbara Milk Vetch
Astragalus trichopodus
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Antisell Milkvetch
Astragalus trichopodus var. antisellii
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Santa Barbara Milk Vetch
Astragalus trichopodus var. lonchus
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Santa Barbara Milkvetch
Astragalus trichopodus var. trichopodus
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Bald Mountain Milkvetch
Astragalus umbraticus
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Webber's Milkvetch
Astragalus webberi
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Balloonpod Milkvetch
Astragalus whitneyi
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Whitney's Milk Vetch
Astragalus whitneyi var. confusus
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Woolly-leaved Milkvetch
Astragalus whitneyi var. lenophyllus
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Siskiyou Milkvetch
Astragalus whitneyi var. siskiyouensis
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Balloonpod Milkvetch
Astragalus whitneyi var. whitneyi
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Scaly Cloak-fern
Astrolepis cochisensis
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California Harebell
Asyneuma prenanthoides
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Alpine Lady-fern
Athyrium distentifolium
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American Alpine Lady Fern
Athyrium distentifolium var. americanum
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Common Ladyfern
Athyrium filix-femina
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Lady Fern
Athyrium filix-femina var. cyclosorum
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Common Sandweed
Athysanus pusillus
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Athysanus unilateralis
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Tobacco Weed
Atrichoseris platyphylla
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Silver Saltweed
Atriplex argentea
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Silverscale Saltbush
Atriplex argentea var. argentea
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Silverscale
Atriplex argentea var. expansa
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Hillman's Silverscale
Atriplex argentea var. hillmanii
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Pahrump Orach
Atriplex argentea var. longitrichoma
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Shadscale
Atriplex canescens
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Wingscale
Atriplex canescens var. canescens
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Caleb Saltbush
Atriplex canescens var. laciniata
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Narow Leaf Shadscale
Atriplex canescens var. linearis
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Salton Saltbush
Atriplex canescens var. macilenta
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Shadscale
Atriplex confertifolia
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Heartscale
Atriplex cordulata
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Atriplex cordulata var. cordulata
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Earlimart Orach
Atriplex cordulata var. erecticaulis
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Crownscale
Atriplex coronata
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Crownscale
Atriplex coronata var. coronata
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San Jacinto Valley Crownscale
Atriplex coronata var. notatior
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Lost Hills Crownscale
Atriplex coronata var. vallicola
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Coulter's Saltbush
Atriplex coulteri
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Brittlescale
Atriplex depressa
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Thickleaf Orach
Atriplex dioica
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Wheelscale Saltbush
Atriplex elegans
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Atriplex elegans var. elegans
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Mecca Orach
Atriplex elegans var. fasciculata
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Ballscale
Atriplex fruticulosa
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Gardner's Saltbush
Atriplex gardneri
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Sickle Saltbush
Atriplex gardneri var. falcata
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Gmelin's Saltbush
Atriplex gmelinii
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Gmelin's Saltbush
Atriplex gmelinii var. gmelinii
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Desert Holly
Atriplex hymenelytra
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Big Saltbush
Atriplex lentiformis
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Naomi Big Salt Bush
Atriplex lentiformis 'Naomi'
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Quailbush
Atriplex lentiformis ssp. breweri
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Big Saltbush
Atriplex lentiformis ssp. lentiformis
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Seascale
Atriplex leucophylla
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Lesser Saltscale
Atriplex minuscula
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South Coast Saltscale
Atriplex pacifica