Greeley County

Showing 1–50 of 283.

• 
  Abronia fragrans Nutt. ex Hook. Native ABFR2

  snowball sand verbena · Nyctaginaceae
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae
• 
  Allium canadense L. var. fraseri Ownbey Native ALCAF

  Fraser meadow garlic · Liliaceae
• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
• 
  Allium textile A. Nelson & J.F. Macbr. Native ALTE

  textile onion · Liliaceae
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
• 
  Ambrosia grayi (A. Nelson) Shinners Native AMGR5

  woollyleaf bur ragweed · Asteraceae
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
• 
  Andropogon hallii Hack. Native ANHA

  sand bluestem · Poaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2

  crested pricklypoppy · Papaveraceae
• 
  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
• 
  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
• 
  Artemisia carruthii Alph. Wood ex Carruth. Native ARCA14

  Carruth's sagewort · Asteraceae
• 
  Artemisia filifolia Torr. Native ARFI2

  sand sagebrush · Asteraceae
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
• 
  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae
• 
  Asclepias engelmanniana Woodson Native ASEN

  Engelmann's milkweed · Asclepiadaceae
• 
  Asclepias latifolia (Torr.) Raf. Native ASLA4

  broadleaf milkweed · Asclepiadaceae
• 
  Asclepias pumila (A. Gray) Vail Native ASPU

  plains milkweed · Asclepiadaceae
• 
  Asclepias stenophylla A. Gray Native ASST

  slimleaf milkweed · Asclepiadaceae
• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
• 
  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
• 
  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae
• 
  Astragalus gilviflorus Sheldon Native ASGI5

  plains milkvetch · Fabaceae
• 
  Astragalus gilviflorus Sheldon var. gilviflorus Native ASGIG

  plains milkvetch · Fabaceae
• 
  Astragalus gracilis Nutt. Native ASGR3

  slender milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. Native ASMI10

  Missouri milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5

  Missouri milkvetch · Fabaceae
• 
  Astragalus mollissimus Torr. Native ASMO7

  woolly locoweed · Fabaceae
• 
  Astragalus mollissimus Torr. var. mollissimus Native ASMOM5

  woolly locoweed · Fabaceae
• 
  Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don Native ASPE5

  narrowleaf milkvetch · Fabaceae
• 
  Astragalus racemosus Pursh Native ASRA2

  cream milkvetch · Fabaceae
• 
  Astragalus racemosus Pursh var. racemosus Native ASRAR2

  cream milkvetch · Fabaceae
• 
  Atriplex argentea Nutt. Native ATAR2

  silverscale saltbush · Chenopodiaceae
• 
  Atriplex argentea Nutt. ssp. argentea Native ATARA

  silverscale saltbush · Chenopodiaceae
• 
  Atriplex argentea Nutt. ssp. argentea var. argentea Native ATARA2

  silverscale saltbush · Chenopodiaceae
• 
  Baccharis wrightii A. Gray Native BAWR

  Wright's baccharis · Asteraceae
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
• 
  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae