Colorado

• Adams 08001
  205 taxa Open ↗
• Alamosa 08003
  652 taxa Open ↗
• Arapahoe 08005
  254 taxa Open ↗
• Archuleta 08007
  651 taxa Open ↗
• Baca 08009
  785 taxa Open ↗
• Bent 08011
  267 taxa Open ↗
• Boulder 08013
  1,961 taxa Open ↗
• Broomfield 08014
  0 taxa Open ↗
• Chaffee 08015
  607 taxa Open ↗
• Cheyenne 08017
  694 taxa Open ↗

Showing 3,851–3,900 of 4,111.

• 
  Tetradymia canescens DC. Native TECA2

  spineless horsebrush · Asteraceae 21 counties
• 
  Tetradymia nuttallii Torr. & A. Gray Native TENU2

  Nuttall's horsebrush · Asteraceae 2 counties
• 
  Tetradymia spinosa Hook. & Arn. Native TESP2

  shortspine horsebrush · Asteraceae 8 counties
• 
  Tetraneuris acaulis (Pursh) Greene Native TEAC

  stemless four-nerve daisy · Asteraceae 39 counties
• 
  Tetraneuris acaulis (Pursh) Greene var. acaulis Native TEACA2

  stemless four-nerve daisy · Asteraceae 18 counties
• 
  Tetraneuris acaulis (Pursh) Greene var. arizonica (Greene) K.F. Parker Native TEACA

  Arizona four-nerve daisy · Asteraceae 1 county
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  Tetraneuris acaulis (Pursh) Greene var. caespitosa A. Nelson Native TEACC

  caespitose four-nerve daisy · Asteraceae 17 counties
• 
  Tetraneuris acaulis (Pursh) Greene var. nana (S.L. Welsh) Kartesz & Gandhi Native TEACN

  stemless four-nerve daisy · Asteraceae 1 county
• 
  Tetraneuris brandegeei (Porter ex A. Gray) K.F. Parker Native TEBR

  Brandegee's four-nerve daisy · Asteraceae 7 counties
• 
  Tetraneuris grandiflora (Torr. & A. Gray ex A. Gray) K.F. Parker Native TEGR3

  graylocks four-nerve daisy · Asteraceae 21 counties
• 
  Tetraneuris ivesiana Greene Native TEIV

  Ives' fournerved daisy · Asteraceae 15 counties
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  Tetraneuris scaposa (DC.) Greene Native TESC2

  stemmy four-nerve daisy · Asteraceae 6 counties
• 
  Tetraneuris scaposa (DC.) Greene var. scaposa Native TESCS

  stemmy four-nerve daisy · Asteraceae 5 counties
• 
  Tetraneuris torreyana (Nutt.) Greene Native TETO

  Torrey's four-nerve daisy · Asteraceae 4 counties
• 
  Teucrium canadense L. Native TECA3

  Canada germander · Lamiaceae 11 counties
• 
  Teucrium canadense L. var. occidentale (A. Gray) E.M. McClint. & Epling Native TECAO

  western germander · Lamiaceae 11 counties
• 
  Teucrium laciniatum Torr. Native TELA

  lacy germander · Lamiaceae 8 counties
• 
  Thalictrum alpinum L. Native THAL

  alpine meadow-rue · Ranunculaceae 16 counties
• 
  Thalictrum dasycarpum Fisch. & Avé-Lall. Native THDA

  purple meadow-rue · Ranunculaceae 9 counties
• 
  Thalictrum fendleri Engelm. ex A. Gray Native THFE

  Fendler's meadow-rue · Ranunculaceae 39 counties
• 
  Thalictrum fendleri Engelm. ex A. Gray var. fendleri Native THFEF

  Fendler's meadow-rue · Ranunculaceae 39 counties
• 
  Thalictrum heliophilum Wilken & DeMott Native THHE2

  Cathedral Bluff meadow-rue · Ranunculaceae 2 counties
• 
  Thalictrum revolutum DC. Native THRE

  waxyleaf meadow-rue · Ranunculaceae 3 counties
• 
  Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. Native THSP

  fewflower meadow-rue · Ranunculaceae 13 counties
• 
  Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. saximontanum B. Boivin Native THSPS

  fewflower meadow-rue · Ranunculaceae 13 counties
• 
  Thalictrum venulosum Trel. Native THVE

  veiny meadow-rue · Ranunculaceae 7 counties
• 
  Thelesperma filifolium (Hook.) A. Gray Native THFI

  stiff greenthread · Asteraceae 17 counties
• 
  Thelesperma filifolium (Hook.) A. Gray var. intermedium (Rydb.) Shinners Native THFII

  stiff greenthread · Asteraceae 17 counties
• 
  Thelesperma megapotamicum (Spreng.) Kuntze Native THME

  Hopi tea greenthread · Asteraceae 23 counties
• 
  Thelesperma subnudum A. Gray Native THSU

  Navajo tea · Asteraceae 10 counties
• 
  Thelesperma subnudum A. Gray var. subnudum Native THSUS

  Navajo tea · Asteraceae 10 counties
• 
  Thellungiella salsuginea (Pall.) O.E. Schulz Native THSA

  saltwater cress · Brassicaceae 1 county
• 
  Thelypodiopsis aurea (Eastw.) Rydb. Native THAU3

  Durango tumblemustard · Brassicaceae 3 counties
• 
  Thelypodiopsis elegans (M.E. Jones) Rydb. Native THEL

  Westwater tumblemustard · Brassicaceae 9 counties
• 
  Thelypodiopsis juniperorum (Payson) Rydb. Native THJU

  juniper tumblemustard · Brassicaceae 1 county
• 
  Thelypodium integrifolium (Nutt.) Endl. ex Walp. Native THIN

  entireleaved thelypody · Brassicaceae 15 counties
• 
  Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. gracilipes (B.L. Rob.) Al-Shehbaz Native THING2

  entireleaved thelypody · Brassicaceae 1 county
• 
  Thelypodium laxiflorum Al-Shehbaz Native THLA4

  droopflower thelypody · Brassicaceae 8 counties
• 
  Thelypodium paniculatum A. Nelson Native THPA6

  northwestern thelypody · Brassicaceae 1 county
• 
  Thelypodium wrightii A. Gray Native THWR

  Wright's thelypody · Brassicaceae 4 counties
• 
  Thelypodium wrightii A. Gray ssp. oklahomense Al-Shehbaz Native THWRO

  Oklahoma thelypody · Brassicaceae 3 counties
• 
  Thelypodium wrightii A. Gray ssp. wrightii Native THWRW

  Wright's thelypody · Brassicaceae 1 county
• 
  Thermopsis divaricarpa A. Nelson Native THDI4

  spreadfruit goldenbanner · Fabaceae 16 counties
• 
  Thermopsis montana Nutt. Native THMO6

  mountain goldenbanner · Fabaceae 20 counties
• 
  Thermopsis montana Nutt. var. montana Native THMOM3

  mountain goldenbanner · Fabaceae 20 counties
• 
  Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson Native THRH

  prairie thermopsis · Fabaceae 16 counties
• 
  Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

  intermediate wheatgrass · Poaceae 19 counties
• 
  Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang Introduced THPO7

  tall wheatgrass · Poaceae 11 counties
• 
  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae 29 counties
• 
  Thymophylla aurea (A. Gray) Greene ex Britton Native THAU4

  manyawn pricklyleaf · Asteraceae 8 counties