2023 Weeds Contest Scientific Names

Prostrate pigweed

Amaranthus blitoides

Palmer amaranth

Amaranthus palmeri

Redroot pigweed

Amaranthus retroflexus

Common waterhemp

Amaranthus rudis

Wild carrot

Daucus carota

Poison hemlock

Conium maculatum

Hemp dogbane

Apocynum cannabinum

Common milkweed

Asclepias syriaca

Honeyvine milkweed

Cynanchum laeve

Common ragweed

Ambrosia artemisiifolia

Giant ragweed

Ambrosia trifida

Common burdock

Arctium minus

Musk thistle

Carduus nutans

Canada thistle

Cirsium arvense

Bull thistle

Cirsium vulgare

Horseweed

Conyza canadensis

Eclipta

Eclipta prostrata

Common sunflower

Helianthus annuus

Prickly lettuce

Lactuca serriola

Common groundsel

Senecio vulgaris

Canada goldenrod

Solidago canadensis

Dandelion

Taraxacum officinale

Common cocklebur

Xanthium strumarium

Yellow rocket

Barbarea vulgaris

Wild mustard

Sinapis arvensis

Shepherds purse

Capsella bursa-pastoris

Field pennycress

Thlaspi arvense

Japanese honeysuckle

Lonicera japonica

Mouse-ear chickweed

Cerastium fontanum

Common chickweed

Stellaria media

Common lambsquarters

Chenopodium album

Kochia

Bassia scoparia

Russian thistle

Salsola tragus

Asiatic dayflower

Commelina communis

Field bindweed

Convolvulus arvensis

Ivyleaf morningglory

Ipomoea hederacea

Pitted morningglory

Ipomoea lacunosa

Tall morningglory

Ipomoea purpurea

Dodder

Cuscuta L.

Burcucumber

Sicyos angulatus

Yellow nutsedge

Cyperus esculentus

Purple nutsedge

Cyperus rotundus

Common teasel

Dipsacus fullonum

Field horsetail

Equisetum arvense

Hophornbeam copperleaf

Acalypha ostryifolia

Virginia copperleaf

Acalypha virginica

Spotted spurge

Chamaesyce maculata

Sericea lespedeza

Lespedeza cuneata

Hemp sesbania

Sesbania herbacea

White clover

Trifolium repens

Carolina geranium

Geranium carolinianum

Cutleaf geranium

Geranium dissectum

Hydrilla

Hydrilla verticillata

Ground ivy

Glechoma hederacea

Henbit

Lamium amplexicaule

Purple deadnettle

Lamium purpureum

Common duckweed

Lemna minor

Wild garlic

Allium vineale

Star of Bethlehem

Ornithogalum umbellatum

Purple loosestrife

Lythrum salicaria

Spurred anoda

Anoda cristata

Velvetleaf

Abutilon theophrasti

Common mallow

Malva neglecta

Prickly sida

Sida spinosa

Carpetweed

Mollugo verticillata

Mulberry weed

Fatoua villosa

Common pokeweed

Phytolacca americana

Buckhorn plantain

Plantago lanceolata

Broadleaf plantain

Plantago major

Wild oat

Avena fatua

Cheat

Bromus secalinus

Cheatgrass

Bromus tectorum

Smooth crabgrass

Digitaria ischaemum

Large crabgrass

Digitaria sangiunalis

Barnyardgrass

Echinochloa crus-galli

Goosegrass

Eleusine indica

Quackgrass

Elymus repens

Woolly cupgrass

Eriochloa villosa

Fall panicum

Panicum dichotomiflorum

Wild proso millet

Panicum miliaceum

Giant foxtail

Setaria faberi

Yellow foxtail

Setaria pumila

Green foxtail

Setaria viridis

Shattercane

Sorghum bicolor

Johnsongrass

Sorghum halepense

Broadleaf signalgrass

Urochloa platyphylla

Prostrate knotweed

Polygonum aviculare

Wild buckwheat

Polygonum convolvulus

Pennsylvania smartweed

Polygonum pensylvanicum

Ladysthumb

Polygonum persicaria

Curly dock

Rumex crispus

Broadleaf dock

Rumex obtusifolius

Common purslane

Portulaca oleracea

Catchweed bedstraw

Galium aparine

Common mullein

Verbascum thapsus

Jimsonweed

Datura stramonium

Smooth groundcherry

Physalis longifolia var. subglabrata

Horsenettle

Solanum carolinense

Eastern black nightshade

Solanum ptycanthum

Buffalobur

Solanum rostratum