Clatsop County

Showing 1–50 of 979.

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

  Pacific silver fir · Pinaceae
• 
  Abies grandis (Douglas ex D. Don) Lindl. Native ABGR

  grand fir · Pinaceae
• 
  Abies procera Rehder Native ABPR

  noble fir · Pinaceae
• 
  Abronia latifolia Eschsch. Native ABLA2

  coastal sand verbena · Nyctaginaceae
• 
  Abronia umbellata Lam. Native ABUM

  pink sand verbena · Nyctaginaceae
• 
  Abronia umbellata Lam. ssp. breviflora (Standl.) Munz Native ABUMB

  pink sand verbena · Nyctaginaceae
• 
  Acer circinatum Pursh Native ACCI

  vine maple · Aceraceae
• 
  Acer glabrum Torr. Native ACGL

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

  Douglas maple · Aceraceae
• 
  Acer macrophyllum Pursh Native ACMA3

  bigleaf maple · Aceraceae
• 
  Acer platanoides L. Introduced ACPL

  Norway maple · Aceraceae
• 
  Achillea millefolium L. Both ACMI2

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

  sweet after death · Berberidaceae
• 
  Actaea rubra (Aiton) Willd. Native ACRU2

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

  red baneberry · Ranunculaceae
• 
  Adenocaulon bicolor Hook. Native ADBI

  American trailplant · Asteraceae
• 
  Adiantum aleuticum (Rupr.) Paris Native ADAL

  Aleutian maidenhair · Pteridaceae
• 
  Agoseris apargioides (Less.) Greene Native AGAP2

  woolly goat chicory · Asteraceae
• 
  Agoseris apargioides (Less.) Greene var. maritima (Sheldon) Q. Jones ex Cronquist Native AGAPM

  woolly goat chicory · Asteraceae
• 
  Agoseris aurantiaca (Hook.) Greene Native AGAU2

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

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

  bigflower agoseris · Asteraceae
• 
  Agrostis capillaris L. Introduced AGCA5

  colonial bentgrass · Poaceae
• 
  Agrostis exarata Trin. Native AGEX

  spike bentgrass · Poaceae
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae
• 
  Agrostis pallens Trin. Native AGPA8

  seashore bentgrass · Poaceae
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae
• 
  Aira caryophyllea L. Introduced AICA

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

  silver hairgrass · Poaceae
• 
  Aira praecox L. Introduced AIPR

  yellow hairgrass · Poaceae
• 
  Alisma triviale Pursh Native ALTR7

  northern water plantain · Alismataceae
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae
• 
  Allium crenulatum Wiegand Native ALCR4

  Olympic onion · Liliaceae
• 
  Allotropa virgata Torr. & A. Gray ex A. Gray Native ALVI2

  sugarstick · Monotropaceae
• 
  Alnus rhombifolia Nutt. Native ALRH2

  white alder · Betulaceae
• 
  Alnus rubra Bong. Native ALRU2

  red alder · Betulaceae
• 
  Alnus viridis (Chaix) DC. Native ALVI5

  green alder · Betulaceae
• 
  Alnus viridis (Chaix) DC. ssp. sinuata (Regel) Á. Löve & D. Löve Native ALVIS

  Sitka alder · Betulaceae
• 
  Alopecurus geniculatus L. Introduced ALGE2

  water foxtail · Poaceae
• 
  Alopecurus geniculatus L. var. geniculatus Introduced ALGEG4

  water foxtail · Poaceae
• 
  Alopecurus pratensis L. Introduced ALPR3

  meadow foxtail · Poaceae
• 
  Alopecurus saccatus Vasey Native ALSA3

  Pacific foxtail · Poaceae
• 
  Ambrosia chamissonis (Less.) Greene Native AMCH4

  silver bur ragweed · Asteraceae
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

  Saskatoon serviceberry · Rosaceae
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. semiintegrifolia (Hook.) C.L. Hitchc. Native AMALS

  Saskatoon serviceberry · Rosaceae
• ⚘
  Amelanchier pumila (Torr. & A. Gray) Nutt. ex M. Roem. Native AMPU5

  dwarf serviceberry · Rosaceae
• 
  Ammophila arenaria (L.) Link Introduced AMAR4

  European beachgrass · Poaceae
• 
  Ammophila breviligulata Fernald Native AMBR

  American beachgrass · Poaceae
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae