| Common Name |
Scientific Name
Family |
Life Form
|
Growth
|
Origin
|
|
Alfalfa
|
Medicago sativa
Fabaceae (Bean) |
Forb
|
Perennial
|
Eurasia
|
Alyssum
(Desert Madwort) |
Alyssum desertorum Stapf.
Brassicaceae (Mustard) |
Forb
|
Annual
|
Europe
|
Alyssum, Pale
(Pale Madwort) |
Alyssum alyssoides
Brassicaceae (Mustard) |
Forb
|
Annual
|
Europe
|
| Apple, Crab |
Pyrus ioensis
Rosaceae (Rose)
|
Tree
|
Perennial
|
|
| Asparagus, Garden |
Asparagus officinalis
Liliaceae (Lily) |
Forb
|
Perennial
|
|
| Barnyardgrass |
Echinochloa crusgalli (L.) Beauv.
Poaceae (Grass) |
Grass
|
Annual
|
Eurasia
|
| Black Medic |
Medicago lupulina (L.)
Fabaceae (Bean) |
Forb
|
Annual
|
Eurasia
|
| Bluegrass, Canadian |
Poa compressa
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Bluegrass, Kentucky |
Poa pratensis
Poaceae (Grass) |
Grass
|
Perennial
|
Europe
|
| Bouncing Bet |
Saponaria officinalis
Caryophyllaceae (Pink) |
Forb
|
Perennial
|
Europe
|
Brome, Downy
(Cheatgrass) |
Bromus tectorum
Poaceae (Grass) |
Grass
|
Annual
|
Europe
Mediterranean
|
| Brome, Japanese |
Bromus japonicus
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Brome, Meadow |
Bromus commutatus Schrad.
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Brome, Smooth |
Bromus inermis
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Bindweed, Field |
Convolvulus arvensis
Convolvulaceae (Morning glory) |
Forb
|
Perennial
|
Europe
|
| Buckthorn, Common |
Rhamnus cathartica L.
Rhamnaceae (Buckthorn)
|
Forb
|
Perennial
|
Europe
|
| Buckwheat, wild (climbing) |
Polygonum convolvulus
Polygonaceae (Buckwheat) |
Forb
|
Annual
|
Europe
|
| Burdock |
Arctium minus
Asteraceae (Sunflower)
|
Forb
|
Biennial
|
Europe
|
| Buttercup Bur |
Ranunculus testiculatus
Ranunculaceae (Buttercup) |
Forb
|
Annual
|
Eurasia
|
| Buttercup, Tall |
Ranunculus acris
Ranunculaceae (Buttercup) |
Forb
|
Perennial
|
Europe
|
| Campion, Bladder |
Silene vulgaris
Caryophyllaceae (Pink) |
Forb
|
Perennial
|
Europe
|
| Campion, White |
Silene pratensis
Caryophyllaceae (Pink) |
Forb
|
Perennial
Biennial
|
Europe
|
| Carrot, Wild |
Daucus carota
Apiaceae (Parsley)
|
Forb
|
Biennial
|
Europe
|
| Catnip |
Nepeta cataria
Lamiaceae (Mint)
|
Forb
|
Perennial
|
Europe
|
|
Chickweed, Big
(mouse-ear)
|
Cerastium vulgatum L.
Caryophyllaceae (Pink) |
Forb
|
Perennial
|
Eurasia
|
Chickweed, field
(prairie) |
Cerastium arvense
Caryophyllaceae (Pink) |
Forb
|
Perennial
|
?
|
|
Clover, rabbitfoot
(crimson)
|
Trifolium incarnatum
Fabaceae (Bean) |
Forb
|
Annual
|
Europe
Mediterranean
|
| Corn gromwell |
Lithospermum arvense
Boraginaceae (Borage) |
Forb
|
Annual
|
Europe
|
| Cowcockle |
Vaccaria pyramidata
Caryophyllaceae (Pink) |
Forb
|
Annual
|
Europe
|
| Creeping Bellflower |
Campanula rapunculoides
Campanulaceae (Bluebell) |
Forb
|
Perennial
|
Eurasia
|
| Daisy, Engelmann's |
Engelmannia pinnatifida
Asteraceae (Sunflower) |
Forb
|
Perennial
|
?
|
| Dames Rocket |
Hesperis matronalis
Brassicaceae (Mustard) |
Forb
|
Biennial
|
Europe
Mediterranean
|
| Dandelion, Common |
Taraxacum officinale
Asteraceae (Sunflower) |
Forb
|
Perennial
|
Eurasia
|
| Deptford pink |
Dianthus armeria L.
Caryophyllaceae (Pink) |
Forb
|
Annual or Biennial
|
Europe
|
| Dock, Curly |
Rumex crispus
Polygonaceae (Buckwheat)
|
Forb
|
Perennial
|
Europe
|
| Elm, Siberian |
Ulmus pumila
Ulmaceae (Elm) |
Tree
|
Perennial
|
Asia
|
Falseflax, littlepod
(small-seeded) |
Camelina microcarpa DC.
Brassicaceae (Mustard) |
Forb
|
Annual
|
Europe
|
| Flax, Blue |
Linum perenne
Linaceae (Flax) |
Forb
|
Perennial
|
Eurasia (?)
|
| Flixweed |
Descurainia sophia
Brassicaceae (Mustard) |
Forb
|
Annual
|
Eurasia
|
| Foxtail, Green |
Setaria viridis
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Geranium, small |
Geranium pusillum L.
Balsaminaceae (Touch-Me-Not) |
Forb
|
Annual
|
Europe
|
| Gooseberry, Currant |
Ribes aureum var. villosum
Grossulariaceae (Currant)
|
Shrub
|
Annual
|
?
|
| Hairy Nightshade |
Solanum sarrachoides (Nightshade) |
Forb |
Annual
|
South America
|
| Hemlock, Poison |
Conium maculatum
Apiaceae (Parsley) |
Forb
|
Biennial
|
Eurasia
Africa
|
| Hempnettle, Splitlip |
Galeopsis bifida Boenn.
Lamiaceae (Mint)
|
Forb
|
Annual
|
Europe
|
| Henbane, Black |
Hyoscamus niger
Solanaceae (Nightshade) |
Forb
|
Annual
Biennial
|
Europe
|
Hogweed, Little
(Common Purslane) |
Portulaca oleracea L.
Portulacaceae (Purslane) |
Forb
|
Annual
Perennial
|
Asia
|
| Hollyhock |
Althaea rosea
Malvaceae (Mallow) |
Forb
|
Perennial
Biennial
|
Eurasia
|
| Hops, Common |
Humulus lupulus
Cannabaceae (Hemp)
|
Forb
|
Perennial
|
Asia
|
| Horehound |
Marrubium vulgare
Lamiaceae (Mint)
|
Forb
|
Perennial
|
Europe
|
| Hound's tongue |
Cynoglossum officinale
Boraginaceae (Borage) |
Forb
|
Biennial
|
Europe
|
| Knapweed, Russian |
Centaurea repens
Asteraceae (Sunflower) |
Forb
|
Perennial
|
Eurasia
|
| Knapweed, Spotted |
Centaurea maculosa
Asteraceae (Sunflower) |
Forb
|
Perennial
Biennial
|
Eurasia
|
|
Kochia
Mexican Firebush
|
Kochia scoparia
Chenopodiaceae (Goosefoot) |
Forb
|
Annual
|
Eurasia
|
| Lamb's quarters |
Chenopodium album
Chenopodiaceae (Goosefoot)
|
Forb
|
Annual
|
Europe
|
| Lettuce, Prickly |
Lactuca serriola L.
Asteraceae (Sunflower)
|
Forb
|
Annual
|
Europe
|
| Lilac, Common |
Syringa vulgaris
Oleaceae (Olive) |
Shrub
|
Perennial
|
Mediterranean (?)
|
| Lopseed, American |
Phryma leptostachys L.
Verbenaceae (Vervain) |
Forb
|
Perennial
|
?
|
| Matrimony Vine |
Lycium barbarum L.
(Potato) |
Shrub
|
|
Eurasia
|
| Motherwort |
Leonurus cardiaca
Lamiaceae (Mint) |
Forb
|
Perennial
Biennial
|
Eurasia
|
| Mullein, Common |
Verbascum thapsus
Scrophulariaceae (Figwort) |
Forb
|
Biennial
|
Europe
|
| Mustard, Blue |
Chorispora tenella
Brassicaceae (Mustard) |
Forb
|
Annual
|
Eurasia
Asia
|
| Mustard, Tumbling |
Sisymbrium altissimus
Brassicaceae (Mustard) |
Forb
|
Annual
|
Europe
|
| Nightshade, viscid (hairy) |
Solanum sarrachoides
Solanaceae (Potato or Nightshade) |
Forb
|
Annual
|
South America
|
| Olive, Russian |
Elaeagnus angustifolia
Elaeagnaceae (Oleaster) |
Shrub
Small Tree
|
Perennial
|
Eurasia
|
| Orchard Grass |
Dactylis glomerata
Poaceae (Grass) |
Grass
|
Perennial
|
Europe
Asia
|
| Pennycress, Field |
Thlaspi arvense
Brassicaceae (Mustard) |
Forb
|
Annual
Biennial
|
Europe
|
| Peppergrass, Field |
Lepidium campestre
Brassicaceae (Mustard) |
Forb
|
Annual
Biennial
|
Europe
|
| Peppergrass, Clasping |
Lepidium perfoliatum
Brassicaceae (Mustard)
|
Forb
|
Annual
|
Europe
|
|
Pigweed, Rough
(Redroot)
|
Amaranthus retroflexus
Amaranthaceae (Pigweed) |
Forb
|
Annual
|
?
|
Pimpernel, Scarlet
(Poorman's Weatherglass) |
Anagallis arvensis L.
Primulaceae (Primrose) |
Forb
|
Annual
Perennial
|
Eurasia
|
| Plantain, Common |
Plantago major
Plantaginaceae (Plantain) |
Forb
|
Perennial
|
Eurasia
|
| Quackgrass |
Agropyron repens
Poaceae (Grass) |
Grass
|
Perennial
|
Europe
Asia
|
| Sage, Azure blue |
Salvia azurea Michx. Ex Lam
Lamiaceae (Mint) |
Forb
|
Perennial
|
?
|
| Salsify, Meadow |
Tragopogon pratensis L.
Asteraceae (Sunflower) |
Forb
|
Biennial
Perennial
|
Eurasia
|
|
Salsify, Western
(Goat's beard)
|
Tragopogon dubius
Asteraceae (Sunflower) |
Forb
|
Perennial
Biennial
|
Eurasia
|
| Shepherd's Purse |
Capsella bursa-pastoris
Brassicaceae (Mustard)
|
Forb
|
Annual
Biennial
|
Europe
|
Sowthistle, Field
(Perennial) |
Sonchus arvensis
Asteraceae (Sunflower) |
Forb
|
Perennial
|
Eurasia
|
| Sowthistle, Prickly |
Sonchus asper
Asteraceae (Sunflower) |
Forb
|
Annual
|
Europe
|
| Speedwell, corn |
Veronica arvensis
Scrophulariaceae (Figwort)
|
Forb
|
Annual
|
Eurasia
|
| Spurge, Leafy |
Euphorbia esula
Euphorbiaceae (Spurge) |
Forb
|
Perennial
|
Europe
|
| Stinkgrass |
Eragrostis cilianensis (All.)
Lut.ex Janchen
Poaceae (Grass) |
Grass
|
Annual
|
Europe
|
| Sweetclover, White |
Melilotus alba
Fabacceae (Bean) |
Forb
|
Annual
Biennial
|
Eurasia
|
| Sweetclover, Yellow |
Melilotus officinalis
Fabacceae (Bean) |
Forb
|
Annual
Biennial
|
Eurasia
|
| Tansy, Common |
Tanacetum vulgare
Asteraceae (Sunflower) |
Forb
|
Perennial
|
Europe
|
| Teasel |
Dipsacus sylvestris
Dipsacaceae (Teasel) |
Forb
|
Biennial
|
Europe
|
|
Thistle, Bull
|
Cirsium vulgare
Asteraceae (Sunflower) |
Forb
|
Biennial
|
Europe
Eurasia
|
| Thistle, Canada |
Cirsium arvense
Asteraceae (Sunflower) |
Forb
|
Perennial
|
Eurasia
Africa
|
| Thistle, Musk |
Carduus nutans
Asteraceae (Sunflower) |
Forb
|
Annual
Biennial
|
Eurasia
|
Thistle, Russian
(Tumbleweed) |
Salsola iberica
Chenopodiaceae (Goosefoot) |
Forb
|
Annual
|
Eurasia
|
| Thistle, Scotch |
Onopordum acanthium
Asteraceae (Sunflower) |
Forb
|
Biennial
|
Eurasia
|
| Timothy, Common |
Phleum pratense
Poaceae (Grass)
|
Forb
|
Perennial
|
Europe
|
| Toadflax, Dalmation |
Linaria dalmatica
Scrophulariaceae (Figwort) |
Forb
|
Perennial
|
Europe
|
|
Toadflax, Yellow
(Butter and Eggs)
|
Linaria vulgaris
Scrophulariaceae (Figwort)
|
Forb
|
Perennial
|
Eurasia
|
| Wheatgrass, Crested |
Agropyron cristatum
Poaceae (Grass) |
Grass
|
Perennial
|
Russia
|
Wheatgrass,
Intermediate |
Agropyron intermedium
Poaceae (Grass) |
Grass
|
Perennial
|
Europe
|
|
Wheatgrass,
Tall
|
Agropyron elongatum
Poaceae (Grass) |
Grass
|
Perennial
|
Mediterranean
|
