Payette County

Showing 1–50 of 278.

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  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHY

  Indian ricegrass · Poaceae
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  Acroptilon repens (L.) DC. Introduced ACRE3

  hardheads · Asteraceae
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  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
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  Allium aaseae Ownbey Native ALAA

  South Idaho onion · Liliaceae
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  Allium acuminatum Hook. Native ALAC4

  tapertip onion · Liliaceae
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  Allium tolmiei (Hook.) Baker ex S. Watson Native ALTO

  Tolmie's onion · Liliaceae
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  Allium tolmiei (Hook.) Baker ex S. Watson var. tolmiei Native ALTOT

  Tolmie's onion · Liliaceae
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  Alopecurus pratensis L. Introduced ALPR3

  meadow foxtail · Poaceae
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  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae
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  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae
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  Ambrosia acanthicarpa Hook. Native AMAC2

  flatspine bur ragweed · Asteraceae
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  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
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  Amsinckia lycopsoides Lehm. Native AMLY

  tarweed fiddleneck · Boraginaceae
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  Amsinckia tessellata A. Gray Native AMTE3

  bristly fiddleneck · Boraginaceae
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  Amsinckia tessellata A. Gray var. tessellata Native AMTET

  bristly fiddleneck · Boraginaceae
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  Anthriscus caucalis M. Bieb. Introduced ANCA14

  bur chervil · Apiaceae
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  Arabis ×divaricarpa A. Nelson (pro sp.) [drummondii × holboellii] Native ARDI2

  spreadingpod rockcress · Brassicaceae
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  Arenaria congesta Nutt. Native ARCO5

  ballhead sandwort · Caryophyllaceae
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  Arenaria congesta Nutt. var. cephaloidea (Rydb.) Maguire Native ARCOC

  sharptip sandwort · Caryophyllaceae
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  Arenaria congesta Nutt. var. glandulifera Maguire Native ARCOG

  gland sandwort · Caryophyllaceae
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  Artemisia dracunculus L. Native ARDR4

  tarragon · Asteraceae
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  Artemisia rigida (Nutt.) A. Gray Native ARRI2

  scabland sagebrush · Asteraceae
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  Artemisia tridentata Nutt. Native ARTR2

  big sagebrush · Asteraceae
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  Artemisia tridentata Nutt. ssp. tridentata Native ARTRT

  basin big sagebrush · Asteraceae
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  Artemisia tridentata Nutt. ssp. xericensis Winward ex R. Rosentreter & R. Kelsey Native ARTRX

  big sagebrush · Asteraceae
• 
  Asclepias cryptoceras S. Watson Native ASCR

  pallid milkweed · Asclepiadaceae
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  Asclepias cryptoceras S. Watson ssp. davisii (Woodson) Woodson Native ASCRD2

  Davis' milkweed · Asclepiadaceae
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  Asclepias speciosa Torr. Native ASSP

  showy milkweed · Asclepiadaceae
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  Asparagus officinalis L. Introduced ASOF

  garden asparagus · Liliaceae
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  Asperugo procumbens L. Introduced ASPR

  German-madwort · Boraginaceae
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  Astragalus atratus S. Watson Native ASAT

  mourning milkvetch · Fabaceae
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  Astragalus atratus S. Watson var. owyheensis (A. Nelson & J.F. Macbr.) M.E. Jones Native ASATO

  Owyhee milkvetch · Fabaceae
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  Astragalus atropubescens J.M. Coult. & Fisher Native ASAT2

  hangingpod milkvetch · Fabaceae
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  Astragalus beckwithii Torr. & A. Gray Native ASBE3

  Beckwith's milkvetch · Fabaceae
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  Astragalus beckwithii Torr. & A. Gray var. weiserensis M.E. Jones Native ASBEW

  Weiser's milkvetch · Fabaceae
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  Astragalus curvicarpus (A. Heller) J.F. Macbr. Native ASCU4

  curvepod milkvetch · Fabaceae
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  Astragalus curvicarpus (A. Heller) J.F. Macbr. var. curvicarpus Native ASCUC

  curvepod milkvetch · Fabaceae
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  Astragalus cusickii A. Gray Native ASCU5

  Cusick's milkvetch · Fabaceae
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  Astragalus cusickii A. Gray var. cusickii Native ASCUC2

  Cusick's milkvetch · Fabaceae
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  Astragalus cusickii A. Gray var. packardiae Barneby Native ASCUP

  Packard's milkvetch · Fabaceae
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  Astragalus eremiticus Sheldon Native ASER4

  hermit milkvetch · Fabaceae
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  Astragalus filipes Torr. ex A. Gray Native ASFI

  basalt milkvetch · Fabaceae
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  Astragalus lentiginosus Douglas ex Hook. Native ASLE8

  freckled milkvetch · Fabaceae
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  Astragalus lentiginosus Douglas ex Hook. var. lentiginosus Native ASLEL3

  freckled milkvetch · Fabaceae
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  Astragalus lentiginosus Douglas ex Hook. var. salinus (Howell) Barneby Native ASLES

  salty loco milkvetch · Fabaceae
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  Astragalus mulfordiae M.E. Jones Native ASMU

  Mulford's milkvetch · Fabaceae
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  Astragalus nudisiliquus A. Nelson Native ASNU2

  cobblestone milkvetch · Fabaceae
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  Astragalus purshii Douglas ex Hook. Native ASPU9

  woollypod milkvetch · Fabaceae