Linn County

Showing 101–150 of 895.

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  Bidens bipinnata L. Native BIBI7

  Spanish needles · Asteraceae
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  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
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  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
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  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
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  Botrychium dissectum Spreng. Native BODI2

  cutleaf grapefern · Ophioglossaceae
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  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae
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  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
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  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
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  Brassica juncea (L.) Czern. Introduced BRJU

  brown mustard · Brassicaceae
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  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae
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  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae
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  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae
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  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae
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  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae
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  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae
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  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae
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  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae
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  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae
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  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae
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  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae
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  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae
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  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae
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  Callirhoe alcaeoides (Michx.) A. Gray Native CAAL

  light poppymallow · Malvaceae
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  Callitriche heterophylla Pursh Native CAHE3

  twoheaded water-starwort · Callitrichaceae
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  Callitriche heterophylla Pursh ssp. heterophylla Native CAHEH

  twoheaded water-starwort · Callitrichaceae
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  Callitriche terrestris Raf. Native CATE19

  terrestrial water-starwort · Callitrichaceae
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  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae
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  Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

  hedge false bindweed · Convolvulaceae
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  Camassia angusta (Engelm. & A. Gray) Blank. Native CAAN2

  prairie camas · Liliaceae
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  Camassia scilloides (Raf.) Cory Native CASC5

  Atlantic camas · Liliaceae
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  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae
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  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae
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  Campsis radicans (L.) Seem. ex Bureau Native CARA2

  trumpet creeper · Bignoniaceae
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  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae
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  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae
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  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae
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  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae
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  Cardamine concatenata (Michx.) Sw. Native CACO26

  cutleaf toothwort · Brassicaceae
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  Cardamine parviflora L. Native CAPA12

  sand bittercress · Brassicaceae
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  Cardamine parviflora L. var. arenicola (Britton) O.E. Schulz Native CAPAA2

  sand bittercress · Brassicaceae
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  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
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  Carex albicans Willd. ex Spreng. Native CAAL25

  whitetinge sedge · Cyperaceae
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  Carex albicans Willd. ex Spreng. var. albicans Native CAALA

  whitetinge sedge · Cyperaceae
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  Carex annectens (E.P. Bicknell) E.P. Bicknell Native CAAN6

  yellowfruit sedge · Cyperaceae
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  Carex bicknellii Britton Native CABI3

  Bicknell's sedge · Cyperaceae
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  Carex blanda Dewey Native CABL

  eastern woodland sedge · Cyperaceae
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  Carex brevior (Dewey) Mack. Native CABR10

  shortbeak sedge · Cyperaceae
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  Carex caroliniana Schwein. Native CACA15

  Carolina sedge · Cyperaceae
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  Carex conjuncta Boott Native CACO13

  soft fox sedge · Cyperaceae
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  Carex crus-corvi Shuttlw. ex Kunze Native CACR8

  ravenfoot sedge · Cyperaceae