Lawless Arnica
Arnica ovata
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Nodding Arnica
Arnica parryi
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Soro Arnica
Arnica sororia
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Klamath Arnica
Arnica spathulata
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Shasta County Arnica
Arnica venosa
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Mount Shasta Arnica
Arnica viscosa
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Low Sagebrush
Artemisia arbuscula
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Dwarf Sagebrush
Artemisia arbuscula ssp. arbuscula
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Artemisia arbuscula ssp. longiloba
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Warm Springs Low Sagebrush
Artemisia arbuscula ssp. thermopola
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Bigelow Sagewort
Artemisia bigelovii
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Field Sagewort
Artemisia borealis
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Boreal Sage
Artemisia borealis ssp. borealis
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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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Mugwort
Artemisia douglasiana
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Silver Surfer Mugwort
Artemisia douglasiana 'Silver Surfer'
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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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White Mugwort
Artemisia ludoviciana ssp. albula
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White Sagebrush
Artemisia ludoviciana ssp. candicans
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White Sagebrush
Artemisia ludoviciana ssp. incompta
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White Sagebrush
Artemisia ludoviciana ssp. ludoviciana
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Michally Sagewort
Artemisia michauxiana
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Island Sage Brush
Artemisia nesiotica
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Alpine Sagewort
Artemisia norvegica
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Alpine Sagewort
Artemisia norvegica ssp. saxatilis
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Black Sagebrush
Artemisia nova
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San Diego Sagewort
Artemisia palmeri
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Dune Sagewort
Artemisia pycnocephala
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David's Choice Sagebrush
Artemisia pycnocephala 'David's Choice'
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Rothrock Sagebrush
Artemisia rothrockii
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Snowfield Sagebrush
Artemisia spiciformis
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Budsage
Artemisia spinescens
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Coastal Mugwort
Artemisia suksdorfii
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Big Sagebrush
Artemisia tridentata
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Big Sagebrush
Artemisia tridentata ssp. parishii
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Basin Big Sagebrush
Artemisia tridentata ssp. tridentata
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Mountain Sagebrush
Artemisia tridentata ssp. vaseyana
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Wyoming Sagebrush
Artemisia tridentata ssp. wyomingensis
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Parish's Pickleweed
Arthrocnemum subterminale
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Bride's Feathers
Aruncus dioicus
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Goats Beard
Aruncus dioicus var. acuminatus
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Wild Ginger
Asarum caudatum
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Wild Ginger
Asarum hartwegii
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Lemmon's Wild Ginger
Asarum lemmonii
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Marbled Wild-ginger
Asarum marmoratum
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Whitestem Milkweed
Asclepias albicans
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Spider Milkweed
Asclepias asperula
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Antelope-horns
Asclepias asperula ssp. asperula
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California Milkweed
Asclepias californica
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Heart Leaf Milkweed
Asclepias cordifolia
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Pallid Milkweed
Asclepias cryptoceras
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Woollypod Milkweed
Asclepias eriocarpa