Lewis County

Showing 1–50 of 320.

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  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
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  Acroptilon repens (L.) DC. Introduced ACRE3

  hardheads · Asteraceae
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
• 
  Agoseris heterophylla (Nutt.) Greene Native AGHE2

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

  annual agoseris · Asteraceae
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae
• 
  Allium fibrillum M.E. Jones Native ALFI

  Cuddy Mountain onion · Liliaceae
• 
  Alnus rhombifolia Nutt. Native ALRH2

  white alder · Betulaceae
• 
  Alnus rubra Bong. Native ALRU2

  red alder · Betulaceae
• 
  Alopecurus pratensis L. Introduced ALPR3

  meadow foxtail · Poaceae
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
• 
  Antennaria anaphaloides Rydb. Native ANAN2

  pearly pussytoes · Asteraceae
• 
  Antennaria howellii Greene Native ANHO

  Howell's pussytoes · Asteraceae
• 
  Antennaria howellii Greene ssp. howellii Native ANHOH

  Howell's pussytoes · Asteraceae
• ⚘
  Antennaria pulcherrima (Hook.) Greene Native ANPU

  showy pussytoes · Asteraceae
• ⚘
  Antennaria pulcherrima (Hook.) Greene ssp. pulcherrima Native ANPUP

  handsome pussy-toes · Asteraceae
• 
  Apera interrupta (L.) P. Beauv. Introduced APIN

  dense silkybent · Poaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
• 
  Arabis crucisetosa Constance & Rollins Native ARCR

  wetsoil rockcress · Brassicaceae
• 
  Arabis sparsiflora Nutt. Native ARSP

  sicklepod rockcress · Brassicaceae
• 
  Arnica cordifolia Hook. Native ARCO9

  heartleaf arnica · Asteraceae
• 
  Arnica fulgens Pursh Native ARFU3

  foothill arnica · Asteraceae
• 
  Asperugo procumbens L. Introduced ASPR

  German-madwort · Boraginaceae
• 
  Astragalus inflexus Douglas ex Hook. Native ASIN5

  bent milkvetch · Fabaceae
• 
  Astragalus riparius Barneby Native ASRI

  woodyroot milkvetch · Fabaceae
• 
  Astragalus sheldonii (Rydb.) Barneby Native ASSH2

  Sheldon's milkvetch · Fabaceae
• 
  Avena sativa L. Introduced AVSA

  common oat · Poaceae
• 
  Balsamorhiza incana Nutt. Native BAIN

  hoary balsamroot · Asteraceae
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
• 
  Bromus briziformis Fisch. & C.A. Mey. Introduced BRBR5

  rattlesnake brome · Poaceae
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae
• 
  Bromus secalinus L. Introduced BRSE

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

  rye brome · Poaceae
• 
  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae
• 
  Calochortus nitidus Douglas Native CANI

  broadfruit mariposa lily · Liliaceae
• 
  Camissonia subacaulis (Pursh) P.H. Raven Native CASU18

  diffuseflower evening primrose · Onagraceae
• 
  Campanula rotundifolia L. Native CARO2

  bluebell bellflower · Campanulaceae
• 
  Cannabis sativa L. Introduced CASA3

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

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

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

  shepherd's purse · Brassicaceae
• 
  Cardamine constancei Detling Native CACO27

  Constance's bittercress · Brassicaceae
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae
• 
  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
• 
  Carduus pycnocephalus L. Introduced CAPY2

  Italian plumeless thistle · Asteraceae