Weeds Contest Seed ID

Weeds Contest Seed ID

Amaranthus blitoides

prostrate pigweed

Amaranthus palmeri

Palmer amaranth

Amaranthus retroflexus

redroot pigweed

Amaranthus rudis

common waterhemp

Daucus carota

wild carrot

Conium maculatum

poison hemlock

Apocynum cannabinum

hemp dogbane

Asclepias syriaca

common milkweed

Cynanchum laeve

honeyvine milkweed

Ambrosia artemisiifolia

common ragweed

Ambrosia trifida

giant ragweed

Arctium minus

common burdock

Carduus nutans

musk thistle

Cirsium arvense

Canada thistle

Cirsium vulgare

bull thistle

Conyza canadensis

horseweed

Eclipta prostrata

eclipta

Helianthus annuus

common sunflower

Lactuca serriola

prickly lettuce

Senecio vulgaris

common groundsel

Solidago canadesis

Canada goldenrod

Taraxacum officinale

dandelion

Xanthium strumarium

common cocklebur

Barbarea vulgaris

yellow rocket

Sinapis arvensis

wild mustard

Capsella bursa-pastoris

sheperds purse

Thlapsi arvense

field pennycress

Lonicera japonica

Japanese honeysuckle

Cerastium fontanum

mouse-ear chickweed

Stellaria media

common chickweed

Chenopodium album

common lambsquarters

Bassia scoparia

kochia

Salsola tragus

Russian thistle

Commelina communis

Asiatic dayflower

Convolvulus arvensis

field bindweed

Ipomoea hederacea

ivyleaf morningglory

Ipomoea lacunosa

pitted morningglory

Ipomoea purpurea

tall morningglory

Cuscuta L.

dodder

Sicyos angulatus

burcucumber

Cyperus esculentus

yellow nutsedge

Cyperus rotundus

purple nutsedge

Dipsacus fullonum

common teasel

Equisetum arvense

field horsetail

Acalypha ostryifolia

hophornbeam copperleaf

Acalypha virginica

Virginia copperleaf

Chamaesyce maculata

spotted spurge

Lespedeza cuneata

sericea lespedeza

Sesbania herbacea

hemp sesbania

Trifolium repens

white clover

Geranium carolinianum

Carolina geranium

Geranium dissectum

cutleaf geranium

Hydrilla verticillata

hydrilla

Glechoma hederacea

ground ivy

Lamium amplexicaule

henbit

Lamium purpureum

purple deadnettle

Lemna minor

common duckweed

Allium vineale

wild garlic

Ornithogalum umbellatum

Star of Bethlehem

Lythrum salicaria

purple loosestrife

Anoda cristata

spurred anoda

Abutilon theophrasti

velvetleaf

Malva neglecta

common mallow

Sida spinosa

prickly sida

Mollugo verticillata

carpetweed

Fatoua villosa

mulberry weed

Phytolacca americana

common pokeweed

Plantago lanceolata

buckhorn plantain

Plantago major

broadleaf plantain

Avena fatua

wild oat

Bromus secalinus

cheat

Bromus tectorum

cheatgrass

Digitaria ischaemum

smooth crabgrass

Digitaria sanguinalis

large crabgrass

Echinochloa crus-galli

barnyardgrass

Eleusine indica

goosegrass

Elymus repens

quackgrass

Eriochloa villosa

woolly cupgrass

Panicum dichotomiflorum

fall panicum

Panicum miliaceum

wild proso millet

Setaria faberi

giant foxtail

Setaria pumila

yellow foxtail

Setaria viridis

green foxtail

Sorghum bicolor

shattercane

Sorghum halepense

johnsongrass

Urochloa platyphylla

broadleaf signalgrass

Polygonum aviculare

prostrate knotweed

Polygonum convolvulus

wild buckwheat

Polygonum pensylvanicum

Pennsylvania smartweed

Polygonum persicaria

ladysthumb

Rumex crispus

curly dock

Rumex obtusifolius

broadleaf dock

Portulaca oleracea

common purslane

Galium aparine

catchweed bedstraw

Verbascum thaspus

common mullein

Datura stramonium

jimsonweed

Physalis longifolia

smooth groundcherry

Solanum carolinense

horsenettle

Solanum ptycanthum

eastern black nightshade

Solanum rostratum

buffalobur