Collin County

Showing 51–100 of 355.

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  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae
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  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae
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  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae
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  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae
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  Callirhoe alcaeoides (Michx.) A. Gray Native CAAL

  light poppymallow · Malvaceae
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  Callirhoe pedata (Nutt. ex Hook.) A. Gray Native CAPE23

  palmleaf poppymallow · Malvaceae
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  Calylophus berlandieri Spach Native CABE6

  Berlandier's sundrops · Onagraceae
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  Calylophus berlandieri Spach ssp. pinifolius (Engelm. ex A. Gray) Towner Native CABEP2

  Berlandier's sundrops · Onagraceae
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  Camassia scilloides (Raf.) Cory Native CASC5

  Atlantic camas · Liliaceae
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  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae
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  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae
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  Cardamine parviflora L. Native CAPA12

  sand bittercress · Brassicaceae
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  Cardamine parviflora L. var. arenicola (Britton) O.E. Schulz Native CAPAA2

  sand bittercress · Brassicaceae
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  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae
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  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
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  Carex blanda Dewey Native CABL

  eastern woodland sedge · Cyperaceae
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  Carex bulbostylis Mack. Native CABU4

  false hair sedge · Cyperaceae
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  Carex leavenworthii Dewey Native CALE6

  Leavenworth's sedge · Cyperaceae
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  Carex microdonta Torr. & Hook. Native CAMI5

  littletooth sedge · Cyperaceae
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  Carex reniformis (L.H. Bailey) Small Native CARE17

  kidneyshape sedge · Cyperaceae
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  Carex vulpinoidea Michx. Native CAVU2

  fox sedge · Cyperaceae
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  Carex vulpinoidea Michx. var. vulpinoidea Native CAVUV

  fox sedge · Cyperaceae
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  Centaurea americana Nutt. Native CEAM2

  American star-thistle · Asteraceae
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  Centaurea cyanus L. Introduced CECY2

  garden cornflower · Asteraceae
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  Cephalanthus occidentalis L. Native CEOC2

  common buttonbush · Rubiaceae
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  Cercis canadensis L. Native CECA4

  eastern redbud · Fabaceae
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  Cercis canadensis L. var. canadensis Native CECAC

  eastern redbud · Fabaceae
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  Chaerophyllum tainturieri Hook. Native CHTA

  hairyfruit chervil · Apiaceae
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  Chamaesyce hyssopifolia (L.) Small Native CHHY3

  hyssopleaf sandmat · Euphorbiaceae
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  Chamaesyce nutans (Lag.) Small Native CHNU9

  eyebane · Euphorbiaceae
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  Chamaesyce serpens (Kunth) Small Native CHSE4

  matted sandmat · Euphorbiaceae
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  Chenopodium simplex (Torr.) Raf. Native CHSI2

  mapleleaf goosefoot · Chenopodiaceae
• ⚘
  Chloris ×subdolichostachya Müll. Berol. (pro sp.) [cucullata × verticillata] Native CHSU3

  shortspike windmill grass · Poaceae
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  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae
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  Cicuta maculata L. Native CIMA2

  spotted water hemlock · Apiaceae
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  Cirsium texanum Buckley Native CITE2

  Texas 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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  Coelorachis cylindrica (Michx.) Nash Native COCY

  cylinder jointtail grass · Poaceae
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  Commelina erecta L. Native COER

  whitemouth dayflower · Commelinaceae
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  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
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  Conyza ramosissima Cronquist Native CORA4

  dwarf horseweed · Asteraceae
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  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae
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  Corydalis curvisiliqua Engelm. Native COCU2

  curvepod fumewort · Fumariaceae
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  Corydalis curvisiliqua Engelm. ssp. grandibracteata (Fedde) G.B. Ownbey Native COCUG2

  curvepod fumewort · Fumariaceae
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  Crataegus reverchonii Sarg. Native CRRE3

  Reverchon's hawthorn · Rosaceae
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  Crataegus viridis L. Native CRVI2

  green hawthorn · Rosaceae
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  Crataegus viridis L. var. viridis Native CRVIV2

  green hawthorn · Rosaceae
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  Cymopterus macrorhizus Buckley Native CYMA

  bigroot springparsley · Apiaceae
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  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae