Louisiana

• Acadia 22001
  964 taxa Open ↗
• Allen 22003
  1,426 taxa Open ↗
• Ascension 22005
  551 taxa Open ↗
• Assumption 22007
  456 taxa Open ↗
• Avoyelles 22009
  803 taxa Open ↗
• Beauregard 22011
  1,018 taxa Open ↗
• Bienville 22013
  1,400 taxa Open ↗
• Bossier 22015
  1,395 taxa Open ↗
• Caddo 22017
  1,796 taxa Open ↗
• Calcasieu 22019
  1,531 taxa Open ↗

Showing 701–750 of 3,739.

• 
  Chloris barbata Sw. Introduced CHBA10

  swollen fingergrass · Poaceae 1 county
• 
  Chloris canterai Arechav. Introduced CHCA6

  Paraguayan windmill grass · Poaceae 11 counties
• 
  Chloris canterai Arechav. var. canterai Introduced CHCAC5

  Paraguayan windmill grass · Poaceae 11 counties
• 
  Chloris gayana Kunth Introduced CHGA2

  Rhodes grass · Poaceae 5 counties
• 
  Chloris truncata R. Br. Introduced CHTR

  Australian fingergrass · Poaceae 1 county
• 
  Chloris virgata Sw. Native CHVI4

  feather fingergrass · Poaceae 15 counties
• ⚘
  Chloris ×subdolichostachya Müll. Berol. (pro sp.) [cucullata × verticillata] Native CHSU3

  shortspike windmill grass · Poaceae 1 county
• 
  Chorispora tenella (Pall.) DC. Introduced CHTE2

  crossflower · Brassicaceae 2 counties
• 
  Chromolaena ivifolia (L.) R.M. King & H. Rob. Native CHIV

  ivyleaf thoroughwort · Asteraceae 22 counties
• 
  Chrysogonum virginianum L. Native CHVI5

  green and gold · Asteraceae 1 county
• 
  Chrysogonum virginianum L. var. australe (Alexander ex Small) H.E. Ahles Native CHVIA

  green and gold · Asteraceae 1 county
• 
  Chrysopsis gossypina (Michx.) Elliott Native CHGO

  cottony goldenaster · Asteraceae 3 counties
• 
  Chrysopsis gossypina (Michx.) Elliott ssp. hyssopifolia (Nutt.) Semple Native CHGOH

  cottony goldenaster · Asteraceae 3 counties
• 
  Chrysopsis mariana (L.) Elliott Native CHMA14

  Maryland goldenaster · Asteraceae 28 counties
• 
  Chrysopsis pilosa Nutt. Native CHPI8

  soft goldenaster · Asteraceae 30 counties
• 
  Chrysopsis texana G.L. Nesom Native CHTE10

  Texas chrysopsis · Asteraceae 2 counties
• 
  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae 5 counties
• 
  Cicuta maculata L. Native CIMA2

  spotted water hemlock · Apiaceae 40 counties
• 
  Cinna arundinacea L. Native CIAR2

  sweet woodreed · Poaceae 9 counties
• 
  Cinnamomum camphora (L.) J. Presl Introduced CICA

  camphortree · Lauraceae 27 counties
• 
  Circaea lutetiana L. Native CILU

  broadleaf enchanter's nightshade · Onagraceae 5 counties
• 
  Circaea lutetiana L. ssp. canadensis (L.) Asch. & Magnus Native CILUC

  broadleaf enchanter's nightshade · Onagraceae 5 counties
• 
  Cirsium altissimum (L.) Hill Native CIAL2

  tall thistle · Asteraceae 18 counties
• 
  Cirsium carolinianum (Walter) Fernald & B.G. Schub. Native CICA7

  soft thistle · Asteraceae 18 counties
• 
  Cirsium discolor (Muhl. ex Willd.) Spreng. Native CIDI

  field thistle · Asteraceae 14 counties
• 
  Cirsium engelmannii Rydb. Native CIEN2

  Engelmann's thistle · Asteraceae 4 counties
• 
  Cirsium horridulum Michx. Native CIHO2

  yellow thistle · Asteraceae 59 counties
• 
  Cirsium horridulum Michx. var. horridulum Native CIHOH

  yellow thistle · Asteraceae 59 counties
• 
  Cirsium lecontei Torr. & A. Gray Native CILE2

  Le Conte's thistle · Asteraceae 1 county
• 
  Cirsium muticum Michx. Native CIMU

  swamp thistle · Asteraceae 5 counties
• 
  Cirsium nuttallii DC. Native CINU

  Nuttall's thistle · Asteraceae 12 counties
• 
  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae 6 counties
• 
  Cissus trifoliata (L.) L. Native CITR2

  sorrelvine · Vitaceae 18 counties
• 
  Citrullus lanatus (Thunb.) Matsum. & Nakai Introduced CILA3

  watermelon · Cucurbitaceae 35 counties
• 
  Citrullus lanatus (Thunb.) Matsum. & Nakai var. lanatus Introduced CILAL

  watermelon · Cucurbitaceae 35 counties
• ⚘
  Citrus ×sinensis (L.) Osbeck (pro sp.) [maxima × reticulata] Introduced CISI3

  sweet orange · Rutaceae 1 county
• 
  Cladium mariscus (L.) Pohl Native CLMA10

  swamp sawgrass · Cyperaceae 15 counties
• 
  Cladium mariscus (L.) Pohl ssp. jamaicense (Crantz) Kük. Native CLMAJ

  Jamaica swamp sawgrass · Cyperaceae 15 counties
• 
  Cladrastis kentukea (Dum. Cours.) Rudd Native CLKE

  Kentucky yellowwood · Fabaceae 1 county
• 
  Claytonia virginica L. Native CLVI3

  Virginia springbeauty · Portulacaceae 36 counties
• 
  Claytonia virginica L. var. acutiflora DC. Native CLVIA

  Virginia springbeauty · Portulacaceae 1 county
• 
  Claytonia virginica L. var. virginica Native CLVIV

  Virginia springbeauty · Portulacaceae 1 county
• 
  Claytonia virginica L. var. virginica f. virginica Native CLVIV2

  Virginia springbeauty · Portulacaceae 1 county
• 
  Cleistes bifaria (Fernald) Catling & Gregg Native CLBI3

  small spreading pogonia · Orchidaceae 2 counties
• 
  Clematis catesbyana Pursh Native CLCA3

  satincurls · Ranunculaceae 2 counties
• 
  Clematis crispa L. Native CLCR

  swamp leather flower · Ranunculaceae 58 counties
• 
  Clematis glaucophylla Small Native CLGL

  whiteleaf leather flower · Ranunculaceae 1 county
• 
  Clematis reticulata Walter Native CLRE

  netleaf leather flower · Ranunculaceae 7 counties
• 
  Clematis terniflora DC. Introduced CLTE4

  sweet autumn virginsbower · Ranunculaceae 32 counties
• 
  Clematis virginiana L. Native CLVI5

  devil's darning needles · Ranunculaceae 51 counties