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Foothill Sunburst

Pseudobahia heermannii

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San Joaquin Adobe Sunburst

Pseudobahia peirsonii

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Fragrant Everlasting

Pseudognaphalium beneolens

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Bicolored Everlasting

Pseudognaphalium biolettii

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California Cudweed

Pseudognaphalium californicum

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Wright's Cudweed

Pseudognaphalium canescens

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White Rabbit-tobacco

Pseudognaphalium leucocephalum

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Macoun's Everlasting

Pseudognaphalium macounii

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Wright's Cudweed

Pseudognaphalium microcephalum

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Pink Cudweed

Pseudognaphalium ramosissimum

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Rosy Cudweed

Pseudognaphalium roseum

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Chilean Cudweed

Pseudognaphalium stramineum

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Pseudognaphalium thermale

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Deep Canyon Snapdragon

Pseudorontium cyathiferum

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Stream Trillium

Pseudotrillium rivale

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Bigcone Douglas Fir

Pseudotsuga macrocarpa

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Douglas Fir

Pseudotsuga menziesii

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Coast Douglas Fir

Pseudotsuga menziesii var. menziesii

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Short Woollyheads

Psilocarphus brevissimus

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Dwarf Woollyheads

Psilocarphus brevissimus var. brevissimus

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Delta Woolly-marbles

Psilocarphus brevissimus var. multiflorus

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Round Woolly-marbles

Psilocarphus chilensis

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Tall Woolly-marbles

Psilocarphus elatior

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Oregon Woollyheads

Psilocarphus oregonus

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Slender Woolly-marbles

Psilocarphus tenellus

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Paperflower

Psilostrophe cooperi

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California Dalea

Psorothamnus arborescens

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Mojave Indigo-bush

Psorothamnus arborescens var. arborescens

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California Dalea

Psorothamnus arborescens var. californicus

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Johnson False Dalea

Psorothamnus arborescens var. minutifolius

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Dyebush

Psorothamnus emoryi

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Fremont's Dalea

Psorothamnus fremontii

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Narrow-leaved Psorothamnus

Psorothamnus fremontii var. attenuatus

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Fremont's Indigo-bush

Psorothamnus fremontii var. fremontii

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Nevada Dalea

Psorothamnus polydenius

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Schott Indigobush

Psorothamnus schottii

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Smoke Tree

Psorothamnus spinosus

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Western Hoptree

Ptelea crenulata

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Western Bracken Fern

Pteridium aquilinum

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Hairy Brackenfern

Pteridium aquilinum var. pubescens

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Pine Drops

Pterospora andromedea

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Woodland Threadstem

Pterostegia drymarioides

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Howell's Alkali Grass

Puccinellia howellii

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Lemmon's Alkali Grass

Puccinellia lemmonii

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Alaska Alkali Grass

Puccinellia nutkaensis

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Nuttall's Alkali Grass

Puccinellia nuttalliana

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Parish's Alkali Grass

Puccinellia parishii

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Dwarf Alkali Grass

Puccinellia pumila

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California Alkaligrass

Puccinellia simplex

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Mexican Cliffrose

Purshia mexicana

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Stansbury's Antelope Brush

Purshia stansburyana

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Antelope Bitterbrush

Purshia tridentata

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Desert Bitterbrush

Purshia tridentata var. glandulosa

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Antelope Bitterbrush

Purshia tridentata var. tridentata

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Mountain Mint

Pycnanthemum californicum

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Leafless Wintergreen

Pyrola aphylla

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Liverleaf Wintergreen

Pyrola asarifolia

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Bog Wintergreen

Pyrola asarifolia ssp. asarifolia

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Long-bracted Wintergreen

Pyrola asarifolia ssp. bracteata

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Cryptic Wintergreen

Pyrola crypta