Ada County

Showing 51–100 of 1,138.

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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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  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
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  Ambrosia acanthicarpa Hook. Native AMAC2

  flatspine bur ragweed · Asteraceae
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  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae
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  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
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  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
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  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae
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  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

  Saskatoon serviceberry · Rosaceae
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  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia Native AMALA

  Saskatoon serviceberry · Rosaceae
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  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. cusickii (Fernald) C.L. Hitchc. Native AMALC

  Cusick's serviceberry · Rosaceae
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  Amelanchier utahensis Koehne Native AMUT

  Utah serviceberry · Rosaceae
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  Amelanchier utahensis Koehne var. utahensis Native AMUTU

  Utah serviceberry · Rosaceae
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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 menziesii (Lehm.) A. Nelson & J.F. Macbr. Native AMME

  Menzies' fiddleneck · Boraginaceae
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  Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders Native AMMEI2

  common fiddleneck · Boraginaceae
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  Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. menziesii Native AMMEM2

  Menzies' 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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  Anaphalis margaritacea (L.) Benth. Native ANMA

  western pearly everlasting · Asteraceae
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  Ancistrocarphus filagineus A. Gray Native ANFI3

  false neststraw · Asteraceae
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  Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

  low pussytoes · Asteraceae
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  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
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  Apocynum androsaemifolium L. Native APAN2

  spreading dogbane · Apocynaceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• ⚘
  Apocynum ×floribundum Greene (pro sp.) [androsaemifolium × cannabinum] Native APFL

  Apocynaceae
• 
  Arabis drummondii A. Gray Native ARDR

  Drummond's rockcress · Brassicaceae
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  Arabis glabra (L.) Bernh. Native ARGL

  tower rockcress · Brassicaceae
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  Arabis hirsuta (L.) Scop. Native ARHI

  hairy rockcress · Brassicaceae
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  Arabis holboellii Hornem. Native ARHO2

  Holboell's rockcress · Brassicaceae
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  Arabis holboellii Hornem. var. retrofracta (Graham) Rydb. Native ARHOR

  second rockcress · Brassicaceae
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  Arabis puberula Nutt. Native ARPU

  silver rockcress · Brassicaceae
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  Arabis sparsiflora Nutt. Native ARSP

  sicklepod rockcress · Brassicaceae
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  Arabis sparsiflora Nutt. var. subvillosa (S. Watson) Rollins Native ARSPS

  hairystem rockcress · Brassicaceae
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  Arabis ×divaricarpa A. Nelson (pro sp.) [drummondii × holboellii] Native ARDI2

  spreadingpod rockcress · Brassicaceae
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  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
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  Arctostaphylos uva-ursi (L.) Spreng. Native ARUV

  kinnikinnick · Ericaceae
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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. congesta Native ARCOC4

  ballhead sandwort · Caryophyllaceae
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  Aristida purpurea Nutt. Native ARPU9

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

  Fendler threeawn · Poaceae
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  Arnica cordifolia Hook. Native ARCO9

  heartleaf arnica · Asteraceae
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  Artemisia absinthium L. Introduced ARAB3

  absinthium · Asteraceae
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  Artemisia cana Pursh Native ARCA13

  silver sagebrush · Asteraceae
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  Artemisia dracunculus L. Native ARDR4

  tarragon · Asteraceae
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  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
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  Artemisia ludoviciana Nutt. ssp. candicans (Rydb.) D.D. Keck Native ARLUC8

  white sagebrush · Asteraceae
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  Artemisia ludoviciana Nutt. ssp. incompta (Nutt.) D.D. Keck Native ARLUI2

  white sagebrush · Asteraceae