Knox County

Showing 1–50 of 199 (introduced).

• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae
• 
  Alcea rosea L. Introduced ALRO3

  hollyhock · Malvaceae
• 
  Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4

  garlic mustard · Brassicaceae
• 
  Alopecurus geniculatus L. Introduced ALGE2

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

  water foxtail · Poaceae
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
• 
  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
• 
  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
• 
  Arctium lappa L. Introduced ARLA3

  greater burdock · Asteraceae
• 
  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
• 
  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae
• 
  Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

  horseradish · Brassicaceae
• 
  Atriplex patula L. Introduced ATPA4

  spear saltbush · Chenopodiaceae
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae
• 
  Brassica juncea (L.) Czern. Introduced BRJU

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

  black mustard · Brassicaceae
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae
• 
  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 hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae
• 
  Centaurea stoebe L. Introduced CEST8

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

  spotted knapweed · Asteraceae
• 
  Cerastium fontanum Baumg. Introduced CEFO2

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

  big chickweed · Caryophyllaceae
• 
  Chaenorhinum minus (L.) Lange Introduced CHMI

  dwarf snapdragon · Scrophulariaceae
• 
  Chelidonium majus L. Introduced CHMA2

  celandine · Papaveraceae
• 
  Chelidonium majus L. var. majus Introduced CHMAM

  celandine · Papaveraceae
• 
  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae
• 
  Cirsium arvense (L.) Scop. Introduced CIAR4

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

  bull thistle · Asteraceae
• 
  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae
• 
  Conringia orientalis (L.) Dumort. Introduced COOR

  hare's ear mustard · Brassicaceae
• 
  Consolida ajacis (L.) Schur Introduced COAJ

  doubtful knight's-spur · Ranunculaceae
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
• 
  Crepis capillaris (L.) Wallr. Introduced CRCA3

  smooth hawksbeard · Asteraceae
• 
  Crepis pulchra L. Introduced CRPU3

  smallflower hawksbeard · Asteraceae
• 
  Cucumis melo L. Introduced CUME

  cantaloupe · Cucurbitaceae
• 
  Cucurbita pepo L. var. pepo Introduced CUPEP

  field pumpkin · Cucurbitaceae
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae
• 
  Dianthus deltoides L. Introduced DIDE

  maiden pink · Caryophyllaceae