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

Leaf structure

simple

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

has hairs
no hairs
I do not know

Stem cross section

round or oval

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

Present
Not Present
I do not know

Dominant flower color

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

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

(68 weeds)
absinthe
alligatorweed
American burnweed
American pokeweed
bitter dock
bladder campion
burcucumber
butterfly weed
Canada goldenrod
Canada lettuce
Carolina ponysfoot
common cocklebur
common groundsel
common mallow
common plantain
common selfheal
coralberry
corn gromwell
corn speedwell
curly dock
cutleaf geranium
eastern black nightshade
eastern daisy fleabane
false daisy
fiddle dock
field pansy
field pennycress
field pepperweed
Florida beggarweed
garden lettuce
garden yellowrocket
giant goldenrod
giant ironweed
great ragweed
green field speedwell
hairy fleabane
hophornbeam copperleaf
horseweed
kochia
lanceleaf ragweed
largebracted plantain
lawndaisy
little hogweed
mouseear cress
narrowleaf hawksbeard
narrowleaf plantain
orange hawkweed
Oriental bittersweet
Oriental lady's thumb
prairie fleabane
prickly Russian thistle
prostrate pigweed
redroot amaranth
roughfruit amaranth
shepherd's purse
showy rattlebox
smallflower morningglory
smooth hawksbeard
spotted knapweed
spotted ladysthumb
spotted sandmat
spotted St. Johnswort
sun spurge
vente conmigo
white ballmustard
white snakeroot
wild buckwheat
wild radish

Scientific Name

(68 weeds)
Acalypha ostryifolia
Ageratina altissima
Alternanthera philoxeroides
Amaranthus albus
Amaranthus retroflexus
Amaranthus tuberculatus
Ambrosia bidentata
Ambrosia trifida
Arabidopsis thaliana
Artemisia absinthium
Asclepias tuberosa
Barbarea vulgaris
Bassia scoparia
Bellis perennis
Buglossoides arvensis
Calepina irregularis
Capsella bursa-pastoris
Celastrus orbiculatus
Centaurea stoebe ssp. micranthos
Chamaesyce maculata
Conyza bonariensis
Conyza canadensis
Crepis capillaris
Crepis tectorum
Crotalaria spectabilis
Croton glandulosus var. septentrionalis
Desmodium tortuosum
Dichondra carolinensis
Eclipta prostrata
Erechtites hieracifolia
Erigeron annuus
Erigeron strigosus
Euphorbia helioscopia
Geranium dissectum
Hieracium aurantiacum
Hypericum punctatum
Jacquemontia tamnifolia
Lactuca Canadensis
Lactuca sativa
Lepidium campestre
Malva neglecta
Phytolacca americana
Plantago aristata
Plantago lanceolata
Plantago major
Polygonum caespitosum
Polygonum convolvulus
Polygonum persicaria
Portulaca oleracea
Prunella vulgaris
Raphanus raphanistrum
Rumex crispus
Rumex obtusifolius
Rumex pulcher
Salsola tragus
Senecio vulgaris
Sicyos angulatus
Silene latifolia ssp. alba
Solanum ptycanthum
Solidago altissima
Solidago giganteae
Symphoricarpos orbiculatus
Thlaspi arvense
Vernonia gigantea
Veronica agrestis
Veronica arvensis
Viola bicolor
Xanthium strumarium

Image of Virginia Cooperative Extension logo