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Holly Fern

Polystichum lonchitis

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Mountain Hollyfern

Polystichum scopulinum

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Narrow Leaved Cottonwood

Populus angustifolia

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Fremont Cottonwood

Populus fremontii

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Nimbus Fremont Cottonwood (male)

Populus fremontii 'Nimbus'

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Fremont Cottonwood

Populus fremontii ssp. fremontii

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Quaking Aspen

Populus tremuloides

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Black Cottonwood

Populus trichocarpa

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Slender Poreleaf

Porophyllum gracile

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Floating Leaved Pondweed

Potamogeton natans

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Pacific Potentilla

Potentilla anserina ssp. pacifica

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Varileaf Cinquefoil

Potentilla glaucophylla

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Slender Cinquefoil

Potentilla gracilis

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Padre's Shootingstar

Primula clevelandii

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Padre's Shootingstar

Primula clevelandii var. gracilis

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Shooting Star

Primula clevelandii var. insularis

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Shooting Star

Primula clevelandii var. patula

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Sierra Shooting Star

Primula jeffreyi

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Dark Throated Shooting Star

Primula pauciflora

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Alpine Shootingstar

Primula tetrandra

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Doubleclaw

Proboscidea parviflora

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Common Selfheal

Prunella vulgaris

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Lance Leaf Self Heal

Prunella vulgaris var. lanceolata

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Wild Cherry Hybrid

Prunus 'Intermedia'

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Desert Peach

Prunus andersonii

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Bitter Cherry

Prunus emarginata

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Desert Range Almond

Prunus fasciculata

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Hollyleaf Cherry

Prunus ilicifolia

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Hollyleaf Cherry

Prunus ilicifolia ssp. ilicifolia

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Catalina Cherry

Prunus ilicifolia ssp. lyonii

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Chokecherry

Prunus virginiana

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Western Chokecherry

Prunus virginiana var. demissa

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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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Wright's Cudweed

Pseudognaphalium microcephalum

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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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Paperflower

Psilostrophe cooperi

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California Dalea

Psorothamnus arborescens

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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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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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Alpineflames

Pyrrocoma apargioides

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Coast Live Oak

Quercus agrifolia

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Coast Live Oak

Quercus agrifolia var. agrifolia

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Scrub Oak

Quercus berberidifolia

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Canyon Live Oak

Quercus chrysolepis

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Muller Oak

Quercus cornelius-mulleri

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Blue Oak

Quercus douglasii