Jefferson County

Showing 51–100 of 295.

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  Calamagrostis stricta (Timm) Koeler Native CAST36

  slimstem reedgrass · Poaceae
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  Calamagrostis stricta (Timm) Koeler ssp. inexpansa (A. Gray) C.W. Greene Native CASTI3

  northern reedgrass · Poaceae
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  Calamagrostis stricta (Timm) Koeler ssp. stricta Native CASTS5

  slimstem reedgrass · Poaceae
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  Calamagrostis stricta (Timm) Koeler ssp. stricta var. stricta Native CASTS8

  slimstem reedgrass · Poaceae
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  Calochortus nuttallii Torr. & A. Gray Native CANU3

  sego lily · Liliaceae
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  Camissonia contorta (Douglas ex Lehm.) Kearney Native CACO34

  plains evening primrose · Onagraceae
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  Camissonia minor (A. Nelson) P.H. Raven Native CAMI23

  small evening primrose · Onagraceae
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  Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven Native CASC18

  Paiute suncup · Onagraceae
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  Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven ssp. scapoidea Native CASCS3

  Paiute suncup · Onagraceae
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  Camissonia subacaulis (Pursh) P.H. Raven Native CASU18

  diffuseflower evening primrose · Onagraceae
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae
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  Cardaria pubescens (C.A. Mey.) Jarmolenko Introduced CAPU6

  hairy whitetop · Brassicaceae
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  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
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  Carex rostrata Stokes Native CARO6

  beaked sedge · Cyperaceae
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  Centaurea diffusa Lam. Introduced CEDI3

  diffuse knapweed · Asteraceae
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  Centaurea stoebe L. Introduced CEST8

  spotted knapweed · Asteraceae
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  Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Introduced CESTM

  spotted knapweed · Asteraceae
• 
  Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

  ribseed sandmat · Euphorbiaceae
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  Chamaesyce serpyllifolia (Pers.) Small Native CHSE6

  thymeleaf sandmat · Euphorbiaceae
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  Chamaesyce serpyllifolia (Pers.) Small ssp. serpyllifolia Native CHSES

  thymeleaf sandmat · Euphorbiaceae
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae
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  Chenopodium album L. var. album Introduced CHALA

  lambsquarters · Chenopodiaceae
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  Chorizanthe brevicornu Torr. Native CHBR

  brittle spineflower · Polygonaceae
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  Chorizanthe brevicornu Torr. var. spathulata (Small ex Rydb.) C.L. Hitchc. Native CHBRS

  brittle spineflower · Polygonaceae
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. Native CHVI8

  yellow rabbitbrush · Asteraceae
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  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. lanceolatus (Nutt.) H.M. Hall & Clem. Native CHVIL4

  yellow rabbitbrush · Asteraceae
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  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus Native CHVIV2

  yellow rabbitbrush · Asteraceae
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  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus var. stenophyllus (A. Gray) H.M. Hall Native CHVIS5

  yellow rabbitbrush · Asteraceae
• 
  Cirsium arvense (L.) Scop. Introduced CIAR4

  Canada thistle · Asteraceae
• 
  Clematis ligusticifolia Nutt. Native CLLI2

  western white clematis · Ranunculaceae
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  Clematis ligusticifolia Nutt. var. ligusticifolia Native CLLIL2

  western white clematis · Ranunculaceae
• 
  Cleome lutea Hook. Native CLLU2

  yellow spiderflower · Capparaceae
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  Cleome lutea Hook. var. lutea Native CLLUL

  yellow spiderflower · Capparaceae
• 
  Cleome serrulata Pursh Native CLSE

  Rocky Mountain beeplant · Capparaceae
• 
  Comandra umbellata (L.) Nutt. Native COUM

  bastard toadflax · Santalaceae
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  Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl Native COUMP

  pale bastard toadflax · Santalaceae
• 
  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
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  Cordylanthus ramosus Nutt. ex Benth. Native CORA5

  bushy bird's beak · Scrophulariaceae
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  Cornus sericea L. Native COSE16

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

  redosier dogwood · Cornaceae
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  Cryptantha circumscissa (Hook. & Arn.) I.M. Johnst. Native CRCI2

  cushion cryptantha · Boraginaceae
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  Cryptantha circumscissa (Hook. & Arn.) I.M. Johnst. var. circumscissa Native CRCIC2

  cushion cryptantha · Boraginaceae
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  Cryptantha fendleri (A. Gray) Greene Native CRFE3

  sanddune cryptantha · Boraginaceae
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  Cryptantha spiculifera (Piper) Payson Native CRSP4

  Snake River cryptantha · Boraginaceae
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  Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn Native DEIN5

  mountain tansymustard · Brassicaceae
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  Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn ssp. incisa (Engelm. ex A. Gray) Kartesz & Gandhi Native DEINI2

  mountain tansymustard · Brassicaceae
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  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae
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  Distichlis spicata (L.) Greene Native DISP

  saltgrass · Poaceae
• 
  Dodecatheon conjugens Greene Native DOCO

  Bonneville shootingstar · Primulaceae