Index / States / Colorado / Washington
§1County listing — Colorado
Washington County
Colorado
- FIPS
- 08121
- Taxa recorded
- 253
- State
- Colorado
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Showing 1–50 of 253.
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Abronia fragrans Nutt. ex Hook. Native ABFR2snowball sand verbena · Nyctaginaceae -
Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHYIndian ricegrass · Poaceae -
Aegilops cylindrica Host Introduced AECYjointed goatgrass · Poaceae -
Agropyron cristatum (L.) Gaertn. Introduced AGCRcrested wheatgrass · Poaceae - Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8crested wheatgrass · Poaceae
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Allium textile A. Nelson & J.F. Macbr. Native ALTEtextile onion · Liliaceae -
Alyssum simplex Rudolphi Introduced ALSI8alyssum · Brassicaceae -
Amaranthus albus L. Introduced AMALprostrate pigweed · Amaranthaceae -
Amaranthus arenicola I.M. Johnst. Native AMARsandhill amaranth · Amaranthaceae -
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae -
Ambrosia acanthicarpa Hook. Native AMAC2flatspine bur ragweed · Asteraceae -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae - Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMAREannual ragweed · Asteraceae
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Ambrosia grayi (A. Nelson) Shinners Native AMGR5woollyleaf bur ragweed · Asteraceae -
Ambrosia psilostachya DC. Native AMPSCuman ragweed · Asteraceae -
Amorpha canescens Pursh Native AMCA6leadplant · Fabaceae -
Andropogon hallii Hack. Native ANHAsand bluestem · Poaceae -
Arenaria hookeri Nutt. Native ARHO4Hooker's sandwort · Caryophyllaceae - Arenaria hookeri Nutt. ssp. hookeri Native ARHOH3Hooker's sandwort · Caryophyllaceae
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Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2crested pricklypoppy · Papaveraceae -
Aristida purpurea Nutt. Native ARPU9purple threeawn · Poaceae - Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPULFendler threeawn · Poaceae
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Artemisia campestris L. Native ARCA12field sagewort · Asteraceae - Artemisia campestris L. ssp. caudata (Michx.) H.M. Hall & Clem. Native ARCACfield sagewort · Asteraceae
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Artemisia filifolia Torr. Native ARFI2sand sagebrush · Asteraceae -
Artemisia frigida Willd. Native ARFR4prairie sagewort · Asteraceae -
Artemisia ludoviciana Nutt. Both ARLUwhite sagebrush · Asteraceae - Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2white sagebrush · Asteraceae
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Asclepias arenaria Torr. Native ASARsand milkweed · Asclepiadaceae -
Asclepias speciosa Torr. Native ASSPshowy milkweed · Asclepiadaceae -
Asclepias viridiflora Raf. Native ASVIgreen comet milkweed · Asclepiadaceae -
Astragalus bisulcatus (Hook.) A. Gray Native ASBI2twogrooved milkvetch · Fabaceae -
Astragalus ceramicus Sheldon Native ASCEpainted milkvetch · Fabaceae - Astragalus ceramicus Sheldon var. filifolius (A. Gray) F.J. Herm. Native ASCEFpainted milkvetch · Fabaceae
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Astragalus gracilis Nutt. Native ASGR3slender milkvetch · Fabaceae -
Astragalus lotiflorus Hook. Native ASLO4lotus milkvetch · Fabaceae -
Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don Native ASPE5narrowleaf milkvetch · Fabaceae -
Astragalus plattensis Nutt. Native ASPL2Platte River milkvetch · Fabaceae -
Astragalus racemosus Pursh Native ASRA2cream milkvetch · Fabaceae -
Astragalus sericoleucus A. Gray Native ASSE5silky milkvetch · Fabaceae -
Atriplex canescens (Pursh) Nutt. Native ATCA2fourwing saltbush · Chenopodiaceae - Atriplex canescens (Pursh) Nutt. var. canescens Native ATCACfourwing saltbush · Chenopodiaceae
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Bassia scoparia (L.) A.J. Scott Introduced BASC5burningbush · Chenopodiaceae -
Bouteloua curtipendula (Michx.) Torr. Native BOCUsideoats grama · Poaceae -
Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2buffalograss · Poaceae -
Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2blue grama · Poaceae -
Brickellia eupatorioides (L.) Shinners Native BREUfalse boneset · Asteraceae - Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUCfalse boneset · Asteraceae
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Bromus arvensis L. Introduced BRAR5field brome · Poaceae -
Bromus tectorum L. Introduced BRTEcheatgrass · Poaceae