Index / States / California / Siskiyou
§1County listing — California
Siskiyou County
California
- FIPS
- 06093
- Taxa recorded
- 2,598
- State
- California
Filter
Showing 1,901–1,950 of 2,598.
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Polemonium pulcherrimum Hook. var. shastense (Eastw.) Stubbs Native POPUSMount Shasta Jacob's-ladder · Polemoniaceae -
Polyctenium fremontii (S. Watson) Greene Native POFRdesert combleaf · Brassicaceae - Polyctenium fremontii (S. Watson) Greene var. fremontii Native POFRF2Fremont's combleaf · Brassicaceae
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Polygala cornuta Kellogg Native POCO4Sierra milkwort · Polygalaceae - Polygala cornuta Kellogg var. cornuta Native POCOCSierra milkwort · Polygalaceae
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Polygonum amphibium L. Native POAM8water knotweed · Polygonaceae - Polygonum amphibium L. var. emersum Michx. Native POAMElongroot smartweed · Polygonaceae
- Polygonum amphibium L. var. stipulaceum Coleman Native POAMSwater smartweed · Polygonaceae
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Polygonum arenastrum Jord. ex Boreau Introduced POAR11oval-leaf knotweed · Polygonaceae -
Polygonum bistortoides Pursh Native POBI6American bistort · Polygonaceae -
Polygonum californicum Meisn. Native POCA7California knotweed · Polygonaceae -
Polygonum convolvulus L. Introduced POCO10black bindweed · Polygonaceae - Polygonum convolvulus L. var. convolvulus Introduced POCOC2black bindweed · Polygonaceae
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Polygonum cuspidatum Siebold & Zucc. Introduced POCU6Japanese knotweed · Polygonaceae -
Polygonum davisiae W.H. Brewer ex A. Gray Native PODADavis' knotweed · Polygonaceae -
Polygonum douglasii Greene Native PODO4Douglas' knotweed · Polygonaceae - Polygonum douglasii Greene ssp. austiniae (Greene) A.E. Murray Native PODOA2Austin knotweed · Polygonaceae
- Polygonum douglasii Greene ssp. douglasii Native PODOD4Douglas' knotweed · Polygonaceae
- Polygonum douglasii Greene ssp. johnstonii (Munz) J.C. Hickman Native PODOJ2Johnston's knotweed · Polygonaceae
- Polygonum douglasii Greene ssp. majus (Meisn.) J.C. Hickman Native PODOM2large knotweed · Polygonaceae
- Polygonum douglasii Greene ssp. spergulariiforme (Meisn. ex Small) J.C. Hickman Native PODOS2scatter knotweed · Polygonaceae
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Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae -
Polygonum minimum S. Watson Native POMI2broadleaf knotweed · Polygonaceae - Polygonum persicaria L. Introduced POPE3spotted ladysthumb · Polygonaceae
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Polygonum phytolaccifolium Meisn. ex Small Native POPHpoke knotweed · Polygonaceae -
Polygonum polygaloides Wall. ex Meisn. Native POPO4milkwort knotweed · Polygonaceae - Polygonum polygaloides Wall. ex Meisn. ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman Native POPOCfruitleaf knotweed · Polygonaceae
- Polygonum polygaloides Wall. ex Meisn. ssp. kelloggii (Greene) J.C. Hickman Native POPOKKellogg's knotweed · Polygonaceae
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Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4giant knotweed · Polygonaceae -
Polygonum shastense W.H. Brewer Native POSHShasta knotweed · Polygonaceae -
Polypodium calirhiza S. Whitmore & A.R. Sm. Native POCA26nested polypody · Polypodiaceae -
Polypodium glycyrrhiza D.C. Eaton Native POGL8licorice fern · Polypodiaceae -
Polypodium scouleri Hook. & Grev. Native POSC4leathery polypody · Polypodiaceae -
Polypogon interruptus Kunth Native POIN7ditch rabbitsfoot grass · Poaceae -
Polypogon monspeliensis (L.) Desf. Introduced POMO5annual rabbitsfoot grass · Poaceae -
Polystichum californicum (D.C. Eaton) Diels Native POCA25California swordfern · Dryopteridaceae -
Polystichum imbricans (D.C. Eaton) D.H. Wagner Native POIMnarrowleaf swordfern · Dryopteridaceae - Polystichum imbricans (D.C. Eaton) D.H. Wagner ssp. imbricans Native POIMInarrowleaf swordfern · Dryopteridaceae
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Polystichum kruckebergii W.H. Wagner Native POKRKruckeberg's hollyfern · Dryopteridaceae -
Polystichum lemmonii Underw. Native POLE5Lemmon's hollyfern · Dryopteridaceae -
Polystichum lonchitis (L.) Roth Native POLO4northern hollyfern · Dryopteridaceae -
Polystichum munitum (Kaulf.) C. Presl Native POMUwestern swordfern · Dryopteridaceae -
Polystichum scopulinum (D.C. Eaton) Maxon Native POSC5mountain hollyfern · Dryopteridaceae -
Populus balsamifera L. Native POBA2balsam poplar · Salicaceae - Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray ex Hook.) Brayshaw Native POBATblack cottonwood · Salicaceae
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Populus tremuloides Michx. Native POTR5quaking aspen · Salicaceae -
Porterella carnosula (Hook. & Arn.) Torr. Native POCA15fleshy porterella · Campanulaceae -
Portulaca oleracea L. Both POOLlittle hogweed · Portulacaceae -
Potamogeton alpinus Balbis Native POAL8alpine pondweed · Potamogetonaceae -
Potamogeton foliosus Raf. Native POFO3leafy pondweed · Potamogetonaceae