Virginia Tech logo VT Logo
College of Agriculture and Life Sciences
Start Over

Plant type

Broadleaf
  • Broadleaf
  • Grass or grass like
  • Other
If you find errors in this application, please contact Weed ID Developers.

Growth habit

upright and nonwoody

upright and nonwoody
prostrate and nonwoody
vine
woody bush or tree
I do not know

Leaf structure

simple
trifoliate
pinnate
palmate
I do not know

Leaf shape

round
heart
needle
lance
oval
spatulate
triangle
I do not know

Leaf arrangement

alternate
opposite
whorled
rosette
leaves not present
I do not know

Leaf margin

entire
lobed
serrated
wavy
I do not know

Leaf stalk

none
shorter than leaf
longer than leaf
I do not know

Leaf hairs

I do not know

has hairs
no hairs
I do not know

Stem cross section

round or oval
square or multi-edged
I do not know

Stem hairs

has hairs
no hairs
I do not know

Thorns or spines

Not Present

Present
Not Present
I do not know

Ochrea

Present
Not Present
I do not know

Milky sap

I do not know

Present
Not Present
I do not know

Dominant flower color

I do not know

white
yellow
blue
purple
red
orange
pink
green
I do not know

Flower symmetry

radial symetery
disymetry
bilateral symetry
not symmetrical
I do not know

Flower diameter

pencil
dime
nickle
quarter
half dollar
larger
I do not know

Lifecycle

winter annual
summer annual
biennial
perennial
I do not know

Root structure

taproot

fibrous
taproot
rhizomes present
stolons present
bulb/corm/enlarged stem/nutlet
I do not know

Common name

(116 weeds)
absinthe
American burnweed
American pokeweed
apple of Peru
bearded beggarticks
bigpod sesbania
bird's-foot trefoil
bitter dock
blackeyed Susan
bladder campion
blindeyes
brown mustard
brownray knapweed
butterweed
Canada goldenrod
Canada lettuce
Canada toadflax
Carolina geranium
chicory
clammy groundcherry
common burdock
common cocklebur
common evening primrose
common groundsel
common mallow
common mullein
common ragweed
common selfheal
common sunflower
common threeseed mercury
common yellow oxalis
corn chamomile
corn gromwell
corn speedwell
creeping lespedeza
cutleaf geranium
Deptford pink
disc mayweed
dogfennel
eastern black nightshade
eastern daisy fleabane
false daisy
fiddle dock
field mustard
field pansy
field pennycress
field pepperweed
Florida beggarweed
flower of an hour
garden cornflower
garden lettuce
garden yellowrocket
giant goldenrod
giant ironweed
great ragweed
hairy angelica
hairy bittercress
hairy fleabane
hedgemustard
hophornbeam copperleaf
horseweed
Indian strawberry
Jerusalem artichoke
kochia
lambsquarters
lanceleaf ragweed
lawndaisy
lyreleaf sage
moth mullein
mouseear cress
narrowleaf hawksbeard
orange hawkweed
panicledleaf ticktrefoil
partridge pea
Pennsylvania smartweed
perennial pea
perplexed ticktrefoil
piedmont bedstraw
poison hemlock
prairie fleabane
prickly Russian thistle
purple loosestrife
purple passionflower
Queen Anne's lace
rape
red clover
redroot amaranth
roughfruit amaranth
sensitive partridge pea
shepherd's purse
showy rattlebox
sicklepod
slender amaranth
slender parsley piert
smallflower morningglory
smooth hawksbeard
smooth pigweed
sneezeweed
spoonleaf purple everlasting
spotted knapweed
spotted ladysthumb
spotted St. Johnswort
sweet clover
sweetscented bedstraw
toothed spurge
velvetleaf
vente conmigo
Virginia strawberry
Virginia threeseed mercury
western salsify
white ballmustard
white snakeroot
white vervain
wild mustard
woolly burdock
yellow spring bedstraw

Scientific Name

(116 weeds)
Abutilon theophrasti
Acalypha ostryifolia
Acalypha rhomboidea
Acalypha virginica
Ageratina altissima
Amaranthus hybridus
Amaranthus retroflexus
Amaranthus tuberculatus
Amaranthus viridis
Ambrosia artemisiifolia
Ambrosia bidentata
Ambrosia trifida
Angelica venenosa
Anthemis arvensis
Arabidopsis thaliana
Arctium minus
Arctium tomentosum
Artemisia absinthium
Barbarea vulgaris
Bassia scoparia
Bellis perennis
Bidens aristosa
Brassica juncea
Brassica napus
Brassica rapa
Buglossoides arvensis
Calepina irregularis
Capsella bursa-pastoris
Cardamine hirsuta
Centaurea cyanus
Centaurea jacea
Centaurea stoebe ssp. micranthos
Chamaecrista fasciculata
Chamaecrista nictitans ssp. nictitans var. nictitans
Chenopodium album
Cichorium intybus
Conium maculatum
Conyza bonariensis
Conyza canadensis
Crepis capillaris
Crepis tectorum
Crotalaria spectabilis
Croton glandulosus var. septentrionalis
Cruciata pedemontana
Daucus carota
Desmodium paniculatum
Desmodium perplexum
Desmodium tortuosum
Dianthus armeria
Duchesnea indica
Eclipta prostrata
Erechtites hieracifolia
Erigeron annuus
Erigeron strigosus
Eupatorium capillifolium
Euphorbia dentata
Fragaria virginiana
Galium odoratum
Galium verum
Gamochaeta purpure
Geranium carolinianum
Geranium dissectum
Helenium amarum
Helianthus annuus
Helianthus tuberosus
Hibiscus trionum
Hieracium aurantiacum
Hypericum punctatum
Jacquemontia tamnifolia
Lactuca Canadensis
Lactuca sativa
Lathyrus latifolius
Lepidium campestre
Lespedeza repens
Lotus corniculatus
Lythrum salicaria
Malva neglecta
Matricaria discoidea
Melilotus officinalis
Nicandra physalodes
Nuttallanthus canadensis
Oenothera biennis
Oxalis stricta
Packera glabella
Papaver dubium
Passiflora incarnata
Physalis heterophylla
Phytolacca americana
Polygonum pensylvanicum
Polygonum persicaria
Prunella vulgaris
Rudbeckia hirta
Rumex obtusifolius
Rumex pulcher
Salsola tragus
Salvia lyrata
Senecio vulgaris
Senna obtusifolia
Sesbania herbacea
Silene latifolia ssp. alba
Sinapis arvensis ssp. arvensis
Sisymbrium offcinale
Solanum ptycanthum
Solidago altissima
Solidago giganteae
Thlaspi arvense
Tragopogon dubius
Trifolium pratense
Verbascum blattaria
Verbascum thapsus
Verbena urticifolia
Vernonia gigantea
Veronica arvensis
Viola bicolor
Xanthium strumarium

Image of Virginia Cooperative Extension logo