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 3,651–3,700 of 4,111.

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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae 9 counties
• 
  Solanum heterodoxum Dunal Native SOHE

  melonleaf nightshade · Solanaceae 1 county
• 
  Solanum heterodoxum Dunal var. setigeroides M.D. Whalen Native SOHES

  melonleaf nightshade · Solanaceae 1 county
• 
  Solanum jamesii Torr. Native SOJA

  wild potato · Solanaceae 4 counties
• 
  Solanum physalifolium Rusby Introduced SOPH

  hoe nightshade · Solanaceae 11 counties
• 
  Solanum ptycanthum Dunal Native SOPT7

  West Indian nightshade · Solanaceae 10 counties
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae 22 counties
• 
  Solanum triflorum Nutt. Native SOTR

  cutleaf nightshade · Solanaceae 32 counties
• 
  Solidago altissima L. Native SOAL6

  Canada goldenrod · Asteraceae 7 counties
• 
  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae 37 counties
• 
  Solidago canadensis L. var. gilvocanescens Rydb. Native SOCAG

  shorthair goldenrod · Asteraceae 2 counties
• 
  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae 19 counties
• 
  Solidago missouriensis Nutt. Native SOMI2

  Missouri goldenrod · Asteraceae 20 counties
• 
  Solidago missouriensis Nutt. var. fasciculata Holz. Native SOMIF

  Missouri goldenrod · Asteraceae 1 county
• 
  Solidago mollis Bartlett Native SOMO

  velvety goldenrod · Asteraceae 15 counties
• 
  Solidago mollis Bartlett var. mollis Native SOMOM

  velvety goldenrod · Asteraceae 13 counties
• 
  Solidago multiradiata Aiton Native SOMU

  Rocky Mountain goldenrod · Asteraceae 28 counties
• 
  Solidago multiradiata Aiton var. scopulorum A. Gray Native SOMUS

  manyray goldenrod · Asteraceae 28 counties
• 
  Solidago nana Nutt. Native SONA

  baby goldenrod · Asteraceae 10 counties
• 
  Solidago nemoralis Aiton Native SONE

  gray goldenrod · Asteraceae 8 counties
• 
  Solidago nemoralis Aiton var. longipetiolata (Mack. & Bush) Palmer & Steyerm. Native SONEL

  gray goldenrod · Asteraceae 8 counties
• 
  Solidago petiolaris Aiton Native SOPE

  downy ragged goldenrod · Asteraceae 1 county
• 
  Solidago petiolaris Aiton var. angusta (Torr. & A. Gray) A. Gray Native SOPEA

  downy ragged goldenrod · Asteraceae 1 county
• 
  Solidago simplex Kunth Native SOSI3

  Mt. Albert goldenrod · Asteraceae 38 counties
• 
  Solidago simplex Kunth ssp. simplex Native SOSIS

  Mt. Albert goldenrod · Asteraceae 38 counties
• 
  Solidago simplex Kunth ssp. simplex var. simplex Native SOSIS3

  Mt. Albert goldenrod · Asteraceae 38 counties
• 
  Solidago speciosa Nutt. Native SOSP2

  showy goldenrod · Asteraceae 4 counties
• 
  Solidago speciosa Nutt. var. pallida Porter Native SOSPP

  showy goldenrod · Asteraceae 4 counties
• 
  Solidago velutina DC. Native SOVE6

  threenerve goldenrod · Asteraceae 28 counties
• 
  Solidago wrightii A. Gray Native SOWR

  Wright's goldenrod · Asteraceae 4 counties
• 
  Solidago wrightii A. Gray var. adenophora S.F. Blake Native SOWRA

  Wright's goldenrod · Asteraceae 3 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 16 counties
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 1 county
• 
  Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

  moist sowthistle · Asteraceae 8 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 14 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 7 counties
• 
  Sophora nuttalliana B.L. Turner Native SONU

  silky sophora · Fabaceae 30 counties
• 
  Sophora stenophylla A. Gray Native SOST4

  fringeleaf necklacepod · Fabaceae 1 county
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 1 county
• 
  Sorbus dumosa Greene Native SODU2

  Arizona mountain ash · Rosaceae 1 county
• 
  Sorbus scopulina Greene Native SOSC2

  Greene's mountain ash · Rosaceae 14 counties
• 
  Sorbus scopulina Greene var. scopulina Native SOSCS

  Greene's mountain ash · Rosaceae 14 counties
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae 16 counties
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 2 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 6 counties
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae 21 counties
• 
  Sparganium emersum Rehmann Native SPEM2

  European bur-reed · Sparganiaceae 1 county
• 
  Sparganium eurycarpum Engelm. Native SPEU

  broadfruit bur-reed · Sparganiaceae 6 counties
• 
  Sparganium natans L. Native SPNA

  small bur-reed · Sparganiaceae 5 counties
• 
  Spartina gracilis Trin. Native SPGR

  alkali cordgrass · Poaceae 8 counties