Gem County

Showing 1–50 of 120 (introduced).

• 
  Abutilon theophrasti Medik. Introduced ABTH

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

  hardheads · Asteraceae
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
• 
  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
• 
  Asperugo procumbens L. Introduced ASPR

  German-madwort · Boraginaceae
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae
• 
  Bassia hyssopifolia (Pall.) Kuntz Introduced BAHY

  fivehorn smotherweed · Chenopodiaceae
• 
  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae
• 
  Brassica rapa L. var. rapa Introduced BRRAR

  field mustard · Brassicaceae
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae
• 
  Bromus tectorum L. Introduced BRTE

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

  corn gromwell · Boraginaceae
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
• 
  Carum carvi L. Introduced CACA19

  caraway · Apiaceae
• 
  Centaurea cyanus L. Introduced CECY2

  garden cornflower · Asteraceae
• 
  Centaurea diffusa Lam. Introduced CEDI3

  diffuse knapweed · Asteraceae
• 
  Centaurea solstitialis L. Introduced CESO3

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

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

  spotted knapweed · Asteraceae
• 
  Cerastium dubium (Bast.) Guépin Introduced CEDU2

  doubtful chickweed · Caryophyllaceae
• 
  Cerastium fontanum Baumg. Introduced CEFO2

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

  big chickweed · Caryophyllaceae
• 
  Ceratocephala testiculata (Crantz) Roth Introduced CETE5

  curveseed butterwort · Ranunculaceae
• 
  Chondrilla juncea L. Introduced CHJU

  rush skeletonweed · Asteraceae
• 
  Chorispora tenella (Pall.) DC. Introduced CHTE2

  crossflower · Brassicaceae
• 
  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
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
• 
  Crupina vulgaris Cass. Introduced CRVU2

  common crupina · Asteraceae
• 
  Crupina vulgaris Cass. var. vulgaris Introduced CRVUV

  common crupina · Asteraceae
• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae
• 
  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae
• 
  Elaeagnus angustifolia L. Introduced ELAN

  Russian olive · Elaeagnaceae
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton Introduced ERCI6

  redstem stork's bill · Geraniaceae
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium Introduced ERCIC

  redstem stork's bill · Geraniaceae
• 
  Euclidium syriacum (L.) W.T. Aiton Introduced EUSY

  Syrian mustard · Brassicaceae
• 
  Euphorbia esula L. Introduced EUES

  leafy spurge · Euphorbiaceae
• 
  Euphorbia esula L. var. esula Introduced EUESE

  leafy spurge · Euphorbiaceae
• 
  Geranium pusillum L. Introduced GEPU2

  small geranium · Geraniaceae
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae