Linn County

Showing 351–400 of 1,680.

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  Castilleja tenuis (A. Heller) T.I. Chuang & Heckard Native CATE26

  hairy Indian paintbrush · Scrophulariaceae
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  Ceanothus cuneatus (Hook.) Nutt. Native CECU

  buckbrush · Rhamnaceae
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  Ceanothus cuneatus (Hook.) Nutt. var. cuneatus Native CECUC3

  buckbrush · Rhamnaceae
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  Ceanothus integerrimus Hook. & Arn. Native CEIN3

  deerbrush · Rhamnaceae
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  Ceanothus sanguineus Pursh Native CESA

  redstem ceanothus · Rhamnaceae
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  Ceanothus velutinus Douglas ex Hook. Native CEVE

  snowbrush ceanothus · Rhamnaceae
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  Ceanothus velutinus Douglas ex Hook. var. hookeri M.C. Johnst. Native CEVEH2

  Hooker's ceanothus · Rhamnaceae
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  Ceanothus velutinus Douglas ex Hook. var. velutinus Native CEVEV4

  snowbrush ceanothus · Rhamnaceae
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  Centaurea cyanus L. Introduced CECY2

  garden cornflower · Asteraceae
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  Centaurea diffusa Lam. Introduced CEDI3

  diffuse knapweed · Asteraceae
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  Centaurea melitensis L. Introduced CEME2

  Maltese star-thistle · Asteraceae
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  Centaurea solstitialis L. Introduced CESO3

  yellow star-thistle · Asteraceae
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  Centaurea stoebe L. Introduced CEST8

  spotted knapweed · Asteraceae
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  Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Introduced CESTM

  spotted knapweed · Asteraceae
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  Centaurium erythraea Rafn Introduced CEER5

  European centaury · Gentianaceae
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  Centaurium muehlenbergii (Griseb.) W. Wight ex Piper Native CEMU2

  Muhlenberg's centaury · Gentianaceae
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  Cephalanthera austiniae (A. Gray) A. Heller Native CEAU

  phantom orchid · Orchidaceae
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  Cerastium arvense L. Both CEAR4

  field chickweed · Caryophyllaceae
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  Cerastium fontanum Baumg. Introduced CEFO2

  common mouse-ear chickweed · Caryophyllaceae
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  Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2

  big chickweed · Caryophyllaceae
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  Cerastium glomeratum Thuill. Introduced CEGL2

  sticky chickweed · Caryophyllaceae
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  Cerastium nutans Raf. Native CENU2

  nodding chickweed · Caryophyllaceae
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  Cerastium nutans Raf. var. nutans Native CENUN

  nodding chickweed · Caryophyllaceae
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  Ceratophyllum demersum L. Native CEDE4

  coon's tail · Ceratophyllaceae
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  Chamerion angustifolium (L.) Holub Native CHAN9

  fireweed · Onagraceae
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  Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

  fireweed · Onagraceae
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  Cheilanthes gracillima D.C. Eaton Native CHGR

  lace lipfern · Pteridaceae
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  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae
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  Chenopodium album L. var. album Introduced CHALA

  lambsquarters · Chenopodiaceae
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  Chimaphila menziesii (R. Br. ex D. Don) Spreng. Native CHME

  little prince's pine · Pyrolaceae
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  Chimaphila umbellata (L.) W.P.C. Barton Native CHUM

  pipsissewa · Pyrolaceae
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  Chimaphila umbellata (L.) W.P.C. Barton ssp. occidentalis (Rydb.) Hultén Native CHUMO2

  pipsissewa · Pyrolaceae
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  Chondrilla juncea L. Introduced CHJU

  rush skeletonweed · Asteraceae
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  Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist Native CHCH7

  giant chinquapin · Fagaceae
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  Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist var. chrysophylla Native CHCHC4

  giant chinquapin · Fagaceae
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  Cicendia quadrangularis (Lam.) Griseb. Native CIQU3

  Oregon timwort · Gentianaceae
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  Cichorium endivia L. Introduced CIEN

  cultivated endive · Asteraceae
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  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae
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  Cicuta douglasii (DC.) J.M. Coult. & Rose Native CIDO

  western water hemlock · Apiaceae
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  Cinna latifolia (Trevis. ex Goepp.) Griseb. Native CILA2

  drooping woodreed · Poaceae
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  Circaea alpina L. Native CIAL

  small enchanter's nightshade · Onagraceae
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  Circaea alpina L. ssp. pacifica (Asch. & Magnus) P.H. Raven Native CIALP2

  small enchanter's nightshade · Onagraceae
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  Cirsium arvense (L.) Scop. Introduced CIAR4

  Canada thistle · Asteraceae
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  Cirsium brevistylum Cronquist Native CIBR2

  clustered thistle · Asteraceae
• ⚘
  Cirsium canovirens (Rydb.) Petr. Native CICA6

  graygreen thistle · Asteraceae
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  Cirsium remotifolium (Hook.) DC. Native CIRE

  fewleaf thistle · Asteraceae
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  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae
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  Cistanthe umbellata (Torr.) Hershkovitz Native CIUM

  Mt. Hood pussypaws · Portulacaceae
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  Cistanthe umbellata (Torr.) Hershkovitz var. umbellata Native CIUMU

  Mt. Hood pussypaws · Portulacaceae
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  Clarkia amoena (Lehm.) A. Nelson & J.F. Macbr. Native CLAM

  farewell to spring · Onagraceae