Sherman County

Showing 101–150 of 525.

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  Camissonia tanacetifolia (Torr. & A. Gray) P.H. Raven ssp. tanacetifolia Native CATAT

  tansyleaf evening primrose · Onagraceae
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  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae
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  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae
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  Carex athrostachya Olney Native CAAT3

  slenderbeak sedge · Cyperaceae
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  Carex douglasii Boott Native CADO2

  Douglas' sedge · Cyperaceae
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  Carex nebrascensis Dewey Native CANE2

  Nebraska sedge · Cyperaceae
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  Carex praegracilis W. Boott Native CAPR5

  clustered field sedge · Cyperaceae
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  Castilleja campestris (Benth.) T.I. Chuang & Heckard Native CACA79

  vernal pool Indian paintbrush · Scrophulariaceae
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  Castilleja campestris (Benth.) T.I. Chuang & Heckard ssp. campestris Native CACAC14

  vernal pool Indian paintbrush · Scrophulariaceae
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  Castilleja tenuis (A. Heller) T.I. Chuang & Heckard Native CATE26

  hairy Indian paintbrush · Scrophulariaceae
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  Celtis laevigata Willd. Native CELA

  sugarberry · Ulmaceae
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  Celtis laevigata Willd. var. reticulata (Torr.) L.D. Benson Native CELAR

  netleaf hackberry · Ulmaceae
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  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae
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  Centaurea calcitrapa L. Introduced CECA2

  red star-thistle · Asteraceae
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  Centaurea diffusa Lam. Introduced CEDI3

  diffuse knapweed · Asteraceae
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  Centaurea solstitialis L. Introduced CESO3

  yellow star-thistle · Asteraceae
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  Centaurium exaltatum (Griseb.) W. Wight ex Piper Native CEEX

  desert centaury · Gentianaceae
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  Centromadia pungens (Hook. & Arn.) Greene Native CEPU14

  common tarweed · Asteraceae
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  Centromadia pungens (Hook. & Arn.) Greene ssp. pungens Native CEPUP6

  common tarweed · Asteraceae
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  Centromadia pungens (Hook. & Arn.) Greene ssp. septentrionalis (D.D. Keck) B.G. Baldw. Native CEPUS2

  common tarweed · Asteraceae
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  Cerastium fontanum Baumg. Introduced CEFO2

  common mouse-ear chickweed · Caryophyllaceae
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  Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2

  big chickweed · Caryophyllaceae
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  Chaenactis douglasii (Hook.) Hook. & Arn. Native CHDO

  Douglas' dustymaiden · Asteraceae
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  Chaenactis douglasii (Hook.) Hook. & Arn. var. douglasii Native CHDOD

  Douglas' dustymaiden · Asteraceae
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  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
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  Chondrilla juncea L. Introduced CHJU

  rush skeletonweed · Asteraceae
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  Chorispora tenella (Pall.) DC. Introduced CHTE2

  crossflower · Brassicaceae
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  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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  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae
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  Cirsium arvense (L.) Scop. Introduced CIAR4

  Canada thistle · Asteraceae
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  Cirsium undulatum (Nutt.) Spreng. Native CIUN

  wavyleaf thistle · Asteraceae
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  Cirsium undulatum (Nutt.) Spreng. var. undulatum Native CIUNU

  wavyleaf thistle · Asteraceae
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  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae
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  Clarkia pulchella Pursh Native CLPU

  pinkfairies · Onagraceae
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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 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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  Clematis ligusticifolia Nutt. Native CLLI2

  western white clematis · Ranunculaceae
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  Cleome lutea Hook. Native CLLU2

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

  yellow spiderflower · Capparaceae
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  Collomia grandiflora Douglas ex Lindl. Native COGR4

  grand collomia · Polemoniaceae
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  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
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  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae