Union County

Showing 1–50 of 1,559.

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  Abies grandis (Douglas ex D. Don) Lindl. Native ABGR

  grand fir · Pinaceae
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  Abies lasiocarpa (Hook.) Nutt. Native ABLA

  subalpine fir · Pinaceae
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  Abies lasiocarpa (Hook.) Nutt. var. lasiocarpa Native ABLAL

  subalpine fir · Pinaceae
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  Acer glabrum Torr. Native ACGL

  Rocky Mountain maple · Aceraceae
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  Acer glabrum Torr. var. douglasii (Hook.) Dippel Native ACGLD4

  Douglas maple · Aceraceae
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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Acer negundo L. var. negundo Native ACNEN

  boxelder · Aceraceae
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  Acer platanoides L. Introduced ACPL

  Norway maple · Aceraceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Achnatherum lemmonii (Vasey) Barkworth Native ACLE8

  Lemmon's needlegrass · Poaceae
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  Achnatherum lemmonii (Vasey) Barkworth var. lemmonii Native ACLEL

  Lemmon's needlegrass · Poaceae
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  Achnatherum lettermanii (Vasey) Barkworth Native ACLE9

  Letterman's needlegrass · Poaceae
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  Aconitum columbianum Nutt. Native ACCO4

  Columbian monkshood · Ranunculaceae
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  Aconitum columbianum Nutt. ssp. columbianum Native ACCOC3

  Columbian monkshood · Ranunculaceae
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  Acorus calamus L. Introduced ACCA4

  calamus · Acoraceae
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  Acroptilon repens (L.) DC. Introduced ACRE3

  hardheads · Asteraceae
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  Actaea rubra (Aiton) Willd. Native ACRU2

  red baneberry · Ranunculaceae
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  Actaea rubra (Aiton) Willd. ssp. arguta (Nutt.) Hultén Native ACRUA8

  red baneberry · Ranunculaceae
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  Adiantum aleuticum (Rupr.) Paris Native ADAL

  Aleutian maidenhair · Pteridaceae
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  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
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  Agastache urticifolia (Benth.) Kuntze Native AGUR

  nettleleaf giant hyssop · Lamiaceae
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  Agastache urticifolia (Benth.) Kuntze var. urticifolia Native AGURU

  nettleleaf giant hyssop · Lamiaceae
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  Ageratina occidentalis (Hook.) R.M. King & H. Rob. Native AGOC2

  western snakeroot · Asteraceae
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  Agoseris aurantiaca (Hook.) Greene Native AGAU2

  orange agoseris · Asteraceae
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  Agoseris aurantiaca (Hook.) Greene var. aurantiaca Native AGAUA

  orange agoseris · Asteraceae
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  Agoseris glauca (Pursh) Raf. Native AGGL

  pale agoseris · Asteraceae
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  Agoseris glauca (Pursh) Raf. var. agrestis (Osterh.) Q. Jones ex Cronquist Native AGGLA

  pale agoseris · Asteraceae
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  Agoseris glauca (Pursh) Raf. var. glauca Native AGGLG

  pale agoseris · Asteraceae
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  Agoseris grandiflora (Nutt.) Greene Native AGGR

  bigflower agoseris · Asteraceae
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  Agoseris heterophylla (Nutt.) Greene Native AGHE2

  annual agoseris · Asteraceae
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  Agoseris heterophylla (Nutt.) Greene var. heterophylla Native AGHEH

  annual agoseris · Asteraceae
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  Agoseris retrorsa (Benth.) Greene Native AGRE

  spearleaf agoseris · Asteraceae
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  Agropyron cristatum (L.) Gaertn. Introduced AGCR

  crested wheatgrass · Poaceae
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  Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8

  crested wheatgrass · Poaceae
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  Agrostis exarata Trin. Native AGEX

  spike bentgrass · Poaceae
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  Agrostis idahoensis Nash Native AGID

  Idaho bentgrass · Poaceae
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  Agrostis oregonensis Vasey Native AGOR

  Oregon bentgrass · Poaceae
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  Agrostis scabra Willd. Native AGSC5

  rough bentgrass · Poaceae
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  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae
• 
  Alisma triviale Pursh Native ALTR7

  northern water plantain · Alismataceae
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  Allium acuminatum Hook. Native ALAC4

  tapertip onion · Liliaceae
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  Allium fibrillum M.E. Jones Native ALFI

  Cuddy Mountain onion · Liliaceae
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  Allium geyeri S. Watson Native ALGE

  Geyer's onion · Liliaceae
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  Allium geyeri S. Watson var. tenerum M.E. Jones Native ALGET

  bulbil onion · Liliaceae
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  Allium macrum S. Watson Native ALMA5

  rock onion · Liliaceae
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  Allium madidum S. Watson Native ALMA6

  swamp onion · Liliaceae
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  Allium nevadense S. Watson Native ALNE

  Nevada 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. platyphyllum (Tidestr.) Ownbey Native ALTOP2

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

  Tolmie's onion · Liliaceae