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| Anacardiaceae) Family |
common name botanical name characteristics
poison ivy (Rhus radicans) woody perennial
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| (Compositae) Family |
Composite (Compositae) Family
common cocklebur (Xanthium strumarium) summer annual
dandelion (Taraxacum officinale) perennial
horseweed (Conyza canadensis) summer annual
common sunflower (Helianthus annuus) summer annual
The Thistle Species-Group:
Canada thistle (Circium arvense) perennial
Biennial Thistles:
-bull thistle (Circium vulgare) biennial
-[musk thistle (Carduus nutans) biennial]
The Ragweed Species-Group:
common ragweed (Ambrosia artimeisiifolia) summer annual
giant ragweed (Ambrosia trifida) annual
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| Apocynaceae) Family |
Dogbane (Apocynaceae) Family
hemp dogbane (Apocynum cannabinum) perennial
Gourd(Curcurbitaceae) Family
bur cucumber (Sicyos angulatus) summer annual
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| Graminaceae; Poaceae) Family |
Grass (Graminaceae; Poaceae) Family
quackgrass (Elytrigia repens ) perennial
wirestem muhly (Muhlenbergia frondosa) perennial
[woolly cupgrass (Eriochloa villosa) summer annual]
barnyardgrass (Echinochloa crus-galli) summer annual
volunteer corn (Zea mays) summer annual
[field sandbur (Cenchrus incertus) summer annual, biennial]
[foxtail barley (Hordeum jubatum) perennial]
The Panicum Species-Group:
wild proso millet (Panicum miliaceum) summer annual
fall panicum (Panicum dichotomiflorum) summer annual
witchgrass (Panicum capillare) summer annual
The Foxtail Species-Group:
green foxtail (Setaria viridis) summer annual
bristly foxtail (Setaria verticillata) summer annual
giant foxtail (Setaria faberi) summer annual
yellow foxtail (Setaria glauca) summer annual
knotroot foxtail (Setaria geniculata) summer annual
The Crabgrass Species-Group:
large crabgrass (Digitaria sanguinalis) summer annual
smooth crabgrass (Digitaria ischaemum) summer annual
The Sorghum Species-Group:
shattercane (Sorghum bicolor) summer annual
johnsongrass (Sorghum halpense) perennial
sorghum-almum (Sorghum almum) summer annual
The Bromegrass Species-Group:
downy brome (Bromus tectorum) winter annual, summer annual
smooth brome (Bromus inermis) perennial
Hemp (Cannabaceae) Family
wild hemp, marijuana (Cannabis sativa; Cannabis indica) summer annual
Lambsquarters (Chenopodiaceae) Family
common lambsquarters (Chenopodium album) summer annual
kochia (Kochia scoparia) annual
Legume (Leguminosae; Fabaceae) Family
black medic (Medicago lupulina) annual, biennial, perennial
Sweetclover species-group:
yellow sweet clover (Melilotus officinalis) annual, biennial, perennial
white sweet clover (Melilotus alba) annual, biennial, perennial
Loosestrife (Lythraceae) Family
purple loosestrife (Lythrum salicaria) perennial
Mallow (Malvaceae) Family
velvetleaf (Abutilon theophrasti) summer annual venice mallow (Hibiscus trionum) summer annual
Milkweed (Asclepiadaceae) Family
common milkweed (Asclepias syriaca) perennial
Mint (Labiatae) Family
catnip (Nepeta cataria) perennial
Morningglory (Convolvulaceae) Family
ivy leaf morningglory (Ipomoea hederaceae) summer annual
Bindweed species-group:
field bindweed (Convolvulvus arvensis) perennial
hedge bindweed (Calystegia sepium) perennial
Mustard (Cruciferae) Family
field pennycress (Thlaspi arvense) winter annual
shepard's purse (Capsella bursa-pastoris) summer annual/winter annual
wild mustard (Sinapis arvensis) winter/summer annual
Nightshade (Solanaceae) Family
jimsonweed (Datura stramonium) summer annual
The Nightshade Species-Group:
eastern black nightshade (Solanum ptycanthum) summer annual
bitter nightshade (Solanum dulcamara) summer annual
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| Amaranthaceae) Family |
Pigweed (Amaranthaceae) Family
The Pigweed Species-Group
redroot pigweed (Amaranthus retroflexus) summer annual
smooth pigweed (Amaranthus hybridus) summer annual
Powell pigweed (Amaranthus powellii) summer annual
spiny pigweed (Amaranthus spinosus) summer annual
tumble pigweed (Amaranthus albus) summer annual
prostrate pigweed (Amaranthus blitoides) summer annual
common waterhemp (Amaranthus rudis) summer annual
tall waterhemp (Amaranthus tuberculatus) summer annual
Palmer amaranth (Amaranthus palmeri) summer annual
Plantain (Plantaginaceae) Family
Plantain species-group:
Blackseed plantain (Plantago rugelii) perennial
Broadleaf plantain (Plantago major) perennial
Buckhorn plantain (Plantago lanceolata) perennial
Purslane (Portulacaceae) Family
purslane (Portulaca oleracea) summer annual
Rose (Rosaceae) Family
multiflora rose (Rosa multiflora) perennial shrub
Sedge (Cyperaceae) Family
yellow nutsedge (Cyperus esculentus) perennial
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| (Polygoneaceae) Family |
Smartweed (Polygoneaceae) Family
The Polygonum Species-Group
-wild buckwheat (Polygonum convolvulvus) summer annual
Knotweed Species-Group
-prostrate knotweed (Polygonum aviculare) summer annual
-erect knotweed (Polygonum erectum) summer annual
Smartweed Species-Group
-Pennsylvania smartweed (Polygonum pensylvanicum) summer annual
-ladysthumb (Polygonum persicaria) summer annual
-swamp smartweed (Polygonum coccineum) perennial
Some other common weeds with their botanical names are as follows
Grassy Weeds
common name Botanical name
Annual bluegrass Poa AnnuaBarnyardgrass Echinochloa crusgalli
Crabgrass Digitaria sanguinalis
Dallisgrass Paspalum dilatatum
Goosegrass Eleusine indica
Nimblewill Muchlenbergia schreberi
Orchargrass Dactylis glomerata
Quackgrass Agropyron repens
Timothy Phleum pratense
Sandbur Cenchrus pauciflorus
Yellow Foxtail Setaria glauca
Broadleaf Weeds
Broadleaf plantain Plantago major
Buckhorn plantain Plantago lanceolata
Chicory Chichorium intybus
Common chickweed Stellaria media
Curly dock Stellaria media
Dandelion Taraxacum officinale
Ground ivy Glechoma hederacea
Henbit Lamium amplexicaule
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