Polk County

Showing 201–250 of 971.

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  Clarkia amoena (Lehm.) A. Nelson & J.F. Macbr. Native CLAM

  farewell to spring · Onagraceae
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  Clarkia amoena (Lehm.) A. Nelson & J.F. Macbr. ssp. lindleyi (Douglas) F.H. Lewis & M.E. Lewis Native CLAML

  Lindley's clarkia · Onagraceae
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  Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. Native CLPU2

  winecup clarkia · Onagraceae
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  Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. ssp. purpurea Native CLPUP

  winecup clarkia · Onagraceae
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  Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. ssp. quadrivulnera (Douglas ex Lindl.) F.H. Lewis & M.E. Lewis Native CLPUQ

  winecup clarkia · Onagraceae
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  Claytonia cordifolia S. Watson Native CLCO3

  heartleaf springbeauty · Portulacaceae
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  Claytonia exigua Torr. & A. Gray Native CLEX2

  serpentine springbeauty · Portulacaceae
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  Claytonia exigua Torr. & A. Gray ssp. exigua Native CLEXE2

  serpentine springbeauty · Portulacaceae
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  Claytonia perfoliata Donn ex Willd. Native CLPE

  miner's lettuce · Portulacaceae
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  Claytonia perfoliata Donn ex Willd. ssp. perfoliata Native CLPEP

  miner's lettuce · Portulacaceae
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  Claytonia rubra (Howell) Tidestr. Native CLRU2

  redstem springbeauty · Portulacaceae
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  Claytonia rubra (Howell) Tidestr. ssp. depressa (A. Gray) John M. Mill. & K.L. Chambers Native CLRUD

  redstem springbeauty · Portulacaceae
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  Claytonia sibirica L. Native CLSI2

  Siberian springbeauty · Portulacaceae
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  Clematis ligusticifolia Nutt. Native CLLI2

  western white clematis · Ranunculaceae
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  Clinopodium douglasii (Benth.) Kuntze Native CLDO2

  yerba buena · Lamiaceae
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  Clinopodium vulgare L. Native CLVU

  wild basil · Lamiaceae
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  Clintonia uniflora (Menzies ex Schult. & Schult. f.) Kunth Native CLUN2

  bride's bonnet · Liliaceae
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  Cnicus benedictus L. Introduced CNBE

  blessed thistle · Asteraceae
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  Collinsia grandiflora Lindl. Native COGR2

  giant blue eyed Mary · Scrophulariaceae
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  Collinsia parviflora Lindl. Native COPA3

  maiden blue eyed Mary · Scrophulariaceae
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  Collinsia rattanii A. Gray Native CORA2

  sticky blue eyed Mary · Scrophulariaceae
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  Collomia grandiflora Douglas ex Lindl. Native COGR4

  grand collomia · Polemoniaceae
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  Collomia heterophylla Douglas ex Hook. Native COHE2

  variableleaf collomia · Polemoniaceae
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  Comandra umbellata (L.) Nutt. Native COUM

  bastard toadflax · Santalaceae
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  Comandra umbellata (L.) Nutt. ssp. californica (Eastw. ex Rydb.) Piehl Native COUMC

  California bastard toadflax · Santalaceae
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  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae
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  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
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  Coptis laciniata A. Gray Native COLA3

  Oregon goldthread · Ranunculaceae
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  Corallorhiza maculata (Raf.) Raf. Native COMA25

  summer coralroot · Orchidaceae
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  Corallorhiza striata Lindl. Native COST19

  hooded coralroot · Orchidaceae
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  Cornus nuttallii Audubon ex Torr. & A. Gray Native CONU4

  Pacific dogwood · Cornaceae
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  Cornus sericea L. Native COSE16

  redosier dogwood · Cornaceae
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  Cornus sericea L. ssp. occidentalis (Torr. & A. Gray) Fosberg Native COSEO

  western dogwood · Cornaceae
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  Cornus sericea L. ssp. sericea Native COSES

  redosier dogwood · Cornaceae
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  Cornus unalaschkensis Ledeb. Native COUN

  western cordilleran bunchberry · Cornaceae
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  Corylus avellana L. Introduced COAV80

  common filbert · Betulaceae
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  Corylus cornuta Marshall Native COCO6

  beaked hazelnut · Betulaceae
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  Corylus cornuta Marshall var. californica (A. DC.) Sharp Native COCOC

  California hazelnut · Betulaceae
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  Cotoneaster lacteus W.W. Sm. Introduced COLA18

  milkflower cotoneaster · Rosaceae
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  Crassula aquatica (L.) Schoenl. Native CRAQ

  water pygmyweed · Crassulaceae
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  Crataegus douglasii Lindl. Native CRDO2

  black hawthorn · Rosaceae
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  Crataegus monogyna Jacq. Introduced CRMO3

  oneseed hawthorn · Rosaceae
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  Crataegus suksdorfii (Sarg.) Kruschke Native CRSU16

  Suksdorf's hawthorn · Rosaceae
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  Crepis setosa Haller f. Introduced CRSE2

  bristly hawksbeard · Asteraceae
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  Crepis vesicaria L. Introduced CRVE3

  beaked hawksbeard · Asteraceae
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  Crepis vesicaria L. ssp. taraxacifolia (Thuill.) Thell. Introduced CRVET

  beaked hawksbeard · Asteraceae
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  Croton setigerus Hook. Native CRSE11

  dove weed · Euphorbiaceae
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  Cryptantha intermedia (A. Gray) Greene Native CRIN8

  Clearwater cryptantha · Boraginaceae
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  Cuscuta pentagona Engelm. Native CUPE3

  fiveangled dodder · Cuscutaceae
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  Cuscuta pentagona Engelm. var. pentagona Native CUPEP2

  fiveangled dodder · Cuscutaceae