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 3,501–3,550 of 4,111.

• 
  Saxifraga chrysantha A. Gray Native SACH4

  goldbloom saxifrage · Saxifragaceae 16 counties
• 
  Saxifraga flagellaris Willd. ex Sternb. Native SAFL6

  whiplash saxifrage · Saxifragaceae 20 counties
• 
  Saxifraga flagellaris Willd. ex Sternb. ssp. crandallii (Gandog.) Hultén Native SAFLC

  Crandall's saxifrage · Saxifragaceae 20 counties
• 
  Saxifraga foliolosa R. Br. Native SAFO4

  leafystem saxifrage · Saxifragaceae 1 county
• 
  Saxifraga hirculus L. Native SAHI3

  yellow marsh saxifrage · Saxifragaceae 5 counties
• 
  Saxifraga hirculus L. ssp. hirculus Native SAHIH2

  yellow marsh saxifrage · Saxifragaceae 5 counties
• 
  Saxifraga odontoloma Piper Native SAOD2

  brook saxifrage · Saxifragaceae 28 counties
• 
  Saxifraga oregana Howell Native SAOR2

  Oregon saxifrage · Saxifragaceae 8 counties
• 
  Saxifraga rhomboidea Greene Native SARH2

  diamondleaf saxifrage · Saxifragaceae 31 counties
• 
  Saxifraga rivularis L. Native SARI8

  weak saxifrage · Saxifragaceae 20 counties
• 
  Scabrethia scabra (Hook.) W.A. Weber Native SCSC15

  badlands mule-ears · Asteraceae 2 counties
• 
  Scabrethia scabra (Hook.) W.A. Weber ssp. canescens (W.A. Weber) W.A. Weber Native SCSCC

  badlands mule-ears · Asteraceae 1 county
• 
  Scabrethia scabra (Hook.) W.A. Weber ssp. scabra Native SCSCS5

  badlands mule-ears · Asteraceae 1 county
• 
  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae 26 counties
• 
  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae 9 counties
• 
  Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4

  meadow fescue · Poaceae 15 counties
• 
  Schizachne purpurascens (Torr.) Swallen Native SCPU

  false melic · Poaceae 8 counties
• 
  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae 25 counties
• 
  Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

  little bluestem · Poaceae 25 counties
• 
  Schkuhria multiflora Hook. & Arn. Native SCMU6

  manyflower false threadleaf · Asteraceae 5 counties
• 
  Schoenocrambe linearifolia (A. Gray) Rollins Native SCLI12

  slimleaf plainsmustard · Brassicaceae 10 counties
• 
  Schoenocrambe linifolia (Nutt.) Greene Native SCLI

  flaxleaf plainsmustard · Brassicaceae 13 counties
• 
  Schoenoplectiella saximontana (Fernald) Lye Native SCSA11

  Rocky Mountain bulrush · Cyperaceae 2 counties
• 
  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae 21 counties
• 
  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACA

  hardstem bulrush · Cyperaceae 21 counties
• 
  Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6

  chairmaker's bulrush · Cyperaceae 18 counties
• 
  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae 24 counties
• 
  Schoenoplectus pungens (Vahl) Palla var. longispicatus (Britton) S.G. Sm. Native SCPUL4

  common threesquare · Cyperaceae 23 counties
• 
  Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5

  common threesquare · Cyperaceae 3 counties
• 
  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae 28 counties
• 
  Scirpus microcarpus J. Presl & C. Presl Native SCMI2

  panicled bulrush · Cyperaceae 19 counties
• 
  Scirpus nevadensis S. Watson Native SCNE

  Nevada bulrush · Cyperaceae 3 counties
• 
  Scirpus pallidus (Britton) Fernald Native SCPA8

  cloaked bulrush · Cyperaceae 16 counties
• 
  Scirpus pendulus Muhl. Native SCPE4

  rufous bulrush · Cyperaceae 1 county
• 
  Sclerocactus glaucus (J.A. Purpus ex K. Schum.) L.D. Benson Native SCGL3

  Colorado hookless cactus · Cactaceae 4 counties
• 
  Sclerocactus mesae-verdae (Boissev. & C. Davidson) L.D. Benson Native SCME4

  Mesa Verde fishhook cactus · Cactaceae 2 counties
• 
  Sclerocactus parviflorus Clover & Jotter Native SCPA9

  smallflower fishhook cactus · Cactaceae 6 counties
• 
  Sclerocactus parviflorus Clover & Jotter ssp. intermedius (Peebles) K.D. Heil & J.M. Porter Native SCPAI2

  intermediate fishhook cactus · Cactaceae 1 county
• 
  Sclerocactus parviflorus Clover & Jotter ssp. parviflorus Native SCPAP

  smallflower fishhook cactus · Cactaceae 1 county
• 
  Sclerochloa dura (L.) P. Beauv. Introduced SCDU2

  common hardgrass · Poaceae 1 county
• 
  Scleropogon brevifolius Phil. Native SCBR2

  burrograss · Poaceae 1 county
• 
  Scorzonera laciniata L. Introduced SCLA6

  cutleaf vipergrass · Asteraceae 11 counties
• 
  Scrophularia lanceolata Pursh Native SCLA

  lanceleaf figwort · Scrophulariaceae 21 counties
• 
  Scutellaria brittonii Porter Native SCBR3

  Britton's skullcap · Lamiaceae 17 counties
• 
  Scutellaria galericulata L. Native SCGA

  marsh skullcap · Lamiaceae 21 counties
• 
  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae 3 counties
• 
  Scutellaria lateriflora L. var. lateriflora Native SCLAL2

  blue skullcap · Lamiaceae 3 counties
• 
  Scutellaria resinosa Torr. Native SCRE3

  sticky skullcap · Lamiaceae 1 county
• 
  Secale cereale L. Introduced SECE

  cereal rye · Poaceae 6 counties
• 
  Securigera varia (L.) Lassen Introduced SEVA4

  crownvetch · Fabaceae 5 counties