Texas

• Anderson 48001
  959 taxa Open ↗
• Andrews 48003
  342 taxa Open ↗
• Angelina 48005
  841 taxa Open ↗
• Aransas 48007
  731 taxa Open ↗
• Archer 48009
  212 taxa Open ↗
• Armstrong 48011
  346 taxa Open ↗
• Atascosa 48013
  315 taxa Open ↗
• Austin 48015
  571 taxa Open ↗
• Bailey 48017
  448 taxa Open ↗
• Bandera 48019
  521 taxa Open ↗

Showing 1,651–1,700 of 6,397.

• 
  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae 60 counties
• 
  Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson Introduced CYLE7

  marsh parsley · Apiaceae 48 counties
• 
  Cylindropuntia davisii (Engelm. & J.M. Bigelow) F.M. Knuth Native CYDA4

  thistle cholla · Cactaceae 26 counties
• 
  Cylindropuntia imbricata (Haw.) F.M. Knuth Native CYIM2

  tree cholla · Cactaceae 30 counties
• 
  Cylindropuntia imbricata (Haw.) F.M. Knuth var. argentea (Anthony) Backeb. Native CYIMA

  tree cholla · Cactaceae 1 county
• 
  Cylindropuntia imbricata (Haw.) F.M. Knuth var. imbricata Native CYIMI

  tree cholla · Cactaceae 29 counties
• 
  Cylindropuntia kleiniae (DC.) F.M. Knuth Native CYKL

  candle cholla · Cactaceae 9 counties
• 
  Cylindropuntia leptocaulis (DC.) F.M. Knuth Native CYLE8

  Christmas cactus · Cactaceae 76 counties
• 
  Cylindropuntia tunicata (Lehm.) F.M. Knuth Native CYTU3

  thistle cholla · Cactaceae 2 counties
• 
  Cymodocea filiformis (Kütz.) Correll Native CYFI3

  manatee grass · Cymodoceaceae 4 counties
• 
  Cymopterus acaulis (Pursh) Raf. Native CYAC

  plains springparsley · Apiaceae 3 counties
• 
  Cymopterus acaulis (Pursh) Raf. var. fendleri (A. Gray) Goodrich Native CYACF

  Fendler's springparsley · Apiaceae 3 counties
• 
  Cymopterus bulbosus A. Nelson Native CYBU

  bulbous springparsley · Apiaceae 1 county
• 
  Cymopterus macrorhizus Buckley Native CYMA

  bigroot springparsley · Apiaceae 38 counties
• 
  Cymopterus montanus Nutt. ex Torr. & A. Gray Native CYMO

  mountain springparsley · Apiaceae 13 counties
• 
  Cynanchum angustifolium Pers. Native CYAN5

  gulf coast swallow-wort · Asclepiadaceae 8 counties
• 
  Cynanchum barbigerum (Scheele) Shinners Native CYBA

  bearded swallow-wort · Asclepiadaceae 31 counties
• 
  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae 22 counties
• 
  Cynanchum maccartii Shinners Native CYMA3

  MacCart's swallow-wort · Asclepiadaceae 7 counties
• 
  Cynanchum pringlei (A. Gray) Henrickson Native CYPR11

  Pringle's swallow-wort · Asclepiadaceae 4 counties
• 
  Cynanchum racemosum (Jacq.) Jacq. Native CYRA4

  talayote · Asclepiadaceae 42 counties
• 
  Cynanchum racemosum (Jacq.) Jacq. var. unifarium (Scheele) E. Sundell Native CYRAU

  talayote · Asclepiadaceae 42 counties
• 
  Cynodon aethiopicus W.D. Clayton & Harlan Introduced CYAE2

  Ethiopian dogstooth grass · Poaceae 1 county
• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae 102 counties
• 
  Cynodon nlemfuensis Vanderyst Introduced CYNL80

  African Bermudagrass · Poaceae 1 county
• 
  Cynodon nlemfuensis Vanderyst var. nlemfuensis Introduced CYNLN

  African Bermudagrass · Poaceae 1 county
• 
  Cynoglossum creticum Mill. Introduced CYCR11

  blue hound's tongue · Boraginaceae 1 county
• 
  Cynoglossum furcatum Wall. ex Roxb. Introduced CYFU8

  Ceylon hound's tongue · Boraginaceae 1 county
• 
  Cynoglossum virginianum L. Native CYVI

  wild comfrey · Boraginaceae 9 counties
• 
  Cynoglossum virginianum L. var. virginianum Native CYVIV

  wild comfrey · Boraginaceae 9 counties
• 
  Cynosciadium digitatum DC. Native CYDI2

  finger dogshade · Apiaceae 21 counties
• 
  Cynosurus echinatus L. Introduced CYEC

  bristly dogstail grass · Poaceae 1 county
• 
  Cyperus acuminatus Torr. & Hook. ex Torr. Native CYAC2

  tapertip flatsedge · Cyperaceae 67 counties
• 
  Cyperus articulatus L. Native CYAR4

  jointed flatsedge · Cyperaceae 42 counties
• 
  Cyperus bipartitus Torr. Native CYBI6

  slender flatsedge · Cyperaceae 1 county
• 
  Cyperus cephalanthus Torr. & Hook. Native CYCE

  buttonbush flatsedge · Cyperaceae 2 counties
• 
  Cyperus compressus L. Native CYCO

  poorland flatsedge · Cyperaceae 15 counties
• 
  Cyperus croceus Vahl Native CYCR6

  Baldwin's flatsedge · Cyperaceae 45 counties
• 
  Cyperus difformis L. Introduced CYDI4

  variable flatsedge · Cyperaceae 4 counties
• 
  Cyperus digitatus Roxb. Native CYDI5

  finger flatsedge · Cyperaceae 11 counties
• 
  Cyperus drummondii Torr. & Hook. Native CYDR4

  Drummond's sedge · Cyperaceae 2 counties
• 
  Cyperus echinatus (L.) Alph. Wood Native CYEC2

  globe flatsedge · Cyperaceae 54 counties
• 
  Cyperus elegans L. Native CYEL

  royal flatsedge · Cyperaceae 30 counties
• 
  Cyperus entrerianus Boeckeler Introduced CYEN2

  woodrush flatsedge · Cyperaceae 31 counties
• 
  Cyperus eragrostis Lam. Native CYER

  tall flatsedge · Cyperaceae 1 county
• 
  Cyperus erythrorhizos Muhl. Native CYER2

  redroot flatsedge · Cyperaceae 51 counties
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 81 counties
• 
  Cyperus esculentus L. var. macrostachyus Boeckeler Native CYESM

  yellow nutsedge · Cyperaceae 4 counties
• 
  Cyperus fendlerianus Boeckeler Native CYFE2

  Fendler's flatsedge · Cyperaceae 4 counties
• 
  Cyperus filicinus Vahl Native CYFI

  fern flatsedge · Cyperaceae 1 county