Woolly Plantain
Plantago ovata
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Plantago ovata var. fastigiata
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Plantago ovata var. insularis
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Woolly Plantain
Plantago patagonica
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Redseed Plantain
Plantago rhodosperma
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Naked Plantain
Plantago subnuda
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Western Sycamore
Platanus racemosa
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Creamcups
Platystemon californicus
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Longspur Seablush
Plectritis ciliosa
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Shortspur Seablush
Plectritis congesta
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Small-flowered Plectritis
Plectritis congesta ssp. brachystemon
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Sea Blush
Plectritis congesta ssp. congesta
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Longhorn Seablush
Plectritis macrocera
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Marsh Fleabane
Pluchea odorata
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Saltmarsh-fleabane
Pluchea odorata var. odorata
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Arrow Weed
Pluchea sericea
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Short Bluegrass
Poa abbreviata
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Marsh's Blue Grass
Poa abbreviata ssp. marshii
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Patterson's Blue Grass
Poa abbreviata ssp. pattersonii
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San Bernardino Bluegrass
Poa atropurpurea
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Bigelow's Bluegrass
Poa bigelovii
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Bolander's Bluegrass
Poa bolanderi
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Beach Blue Grass
Poa confinis
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Cusick's Bluegrass
Poa cusickii
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Cusick's Bluegrass
Poa cusickii ssp. cusickii
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Skyline Blue Grass
Poa cusickii ssp. epilis
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Cusick's Bluegrass
Poa cusickii ssp. pallida
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Cusick's Bluegrass
Poa cusickii ssp. purpurascens
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Diablo Canyon Blue Grass
Poa diaboli
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Sand Dune Blue Grass
Poa douglasii
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Muttongrass
Poa fendleriana
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Mutton Grass
Poa fendleriana ssp. fendleriana
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Long-tongue Mutton Grass
Poa fendleriana ssp. longiligula
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Glaucous Bluegrass
Poa glauca
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Timberline Blue Grass
Poa glauca ssp. rupicola
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Howell's Bluegrass
Poa howellii
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Keck's Bluegrass
Poa keckii
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Kellogg's Blue Grass
Poa kelloggii
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Marsh Bluegrass
Poa leptocoma
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Letterman's Blue Grass
Poa lettermanii
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Seashore Blue Grass
Poa macrantha
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Napa Blue Grass
Poa napensis
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Piper's Blue Grass
Poa piperi
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Pringle's Bluegrass
Poa pringlei
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Timber Blue Grass
Poa rhizomata
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One Sided Blue Grass
Poa secunda
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Rush Blue Grass
Poa secunda ssp. juncifolia
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One-sided Bluegrass
Poa secunda ssp. secunda
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Sierra Blue Grass
Poa sierrae
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Stebbin's Bluegrass
Poa stebbinsii
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Delicate Blue Grass
Poa tenerrima
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San Francisco Bluegrass
Poa unilateralis
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San Francisco Blue Grass
Poa unilateralis ssp. unilateralis
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Wheeler's Bluegrass
Poa wheeleri
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Mrs. Austin's Knotweed
Polygonum austiniae
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Bidwell's Knotweed
Polygonum bidwelliae
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Bolander's Knotweed
Polygonum bolanderi
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California Knotweed
Polygonum californicum
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Douglas' Knotweed
Polygonum douglasii
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Scotts Valley Polygonum
Polygonum hickmanii