Linn County

Showing 1–50 of 1,680.

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  Abies amabilis (Douglas ex Loudon) Douglas ex Forbes Native ABAM

  Pacific silver fir · Pinaceae
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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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  Abies procera Rehder Native ABPR

  noble fir · Pinaceae
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  Acer circinatum Pursh Native ACCI

  vine maple · Aceraceae
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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 macrophyllum Pursh Native ACMA3

  bigleaf maple · Aceraceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Achlys triphylla (Sm.) DC. Native ACTR

  sweet after death · Berberidaceae
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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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  Achnatherum nelsonii (Scribn.) Barkworth Native ACNE9

  Columbia needlegrass · Poaceae
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  Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth Native ACNED

  Dore's needlegrass · Poaceae
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  Achnatherum occidentale (Thurb.) Barkworth Native ACOC3

  western needlegrass · Poaceae
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  Achnatherum occidentale (Thurb.) Barkworth ssp. californicum (Merr. & Burtt Davy) Barkworth Native ACOCC

  California needlegrass · Poaceae
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  Aconitum columbianum Nutt. Native ACCO4

  Columbian monkshood · Ranunculaceae
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  Aconitum columbianum Nutt. ssp. viviparum (Greene) D.E. Brink Native ACCOV2

  Columbian monkshood · Ranunculaceae
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  Actaea elata (Nutt.) Prantl Native ACEL4

  tall bugbane · Ranunculaceae
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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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  Adenocaulon bicolor Hook. Native ADBI

  American trailplant · Asteraceae
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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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  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. monticola (Greene) Q. Jones ex Cronquist Native AGGLM

  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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  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae
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  Agrostis capillaris L. Introduced AGCA5

  colonial bentgrass · Poaceae
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  Agrostis castellana Boiss. & Reuter Introduced AGCA11

  bentgrass · Poaceae
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  Agrostis exarata Trin. Native AGEX

  spike bentgrass · Poaceae
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  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae
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  Agrostis hallii Vasey Native AGHA2

  Hall's bentgrass · Poaceae
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  Agrostis howellii Scribn. Native AGHO2

  Howell's bentgrass · Poaceae
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  Agrostis humilis Vasey Native AGHU

  alpine 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 pallens Trin. Native AGPA8

  seashore 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
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  Aira caryophyllea L. Introduced AICA

  silver hairgrass · Poaceae
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  Aira caryophyllea L. var. caryophyllea Introduced AICAC2

  silver hairgrass · Poaceae
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  Aira elegans Willd. ex Kunth Introduced AIEL4

  annual silver hairgrass · Poaceae