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

I do not know

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

oval

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

I do not know

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
square or multi-edged
I do not know

Stem hairs

has hairs
no hairs
I do not know

Thorns or spines

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

yellow

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

fibrous

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

Common name

(36 weeds)
annual sowthistle
Australian water-clover
blackeyed Susan
brown mustard
buffalobur
Chinese yam
common cinquefoil
common ragweed
creeping primrose
cursed buttercup
eastern daisy fleabane
eastern poison ivy
English ivy
field pansy
garden yellowrocket
giant goldenrod
hemp dogbane
honeylocust
large hopclover
little hogweed
littleleaf buttercup
longleaf groundcherry
low hopclover
mayapple
meadow hawkweed
moth mullein
mugwort
prairie fleabane
prickly sida
sicklepod
small hopclover
Spanish needles
spiny sowthistle
St. Anthony's turnip
stickweed
wild parsnip

Scientific Name

(36 weeds)
Ambrosia artemisiifolia
Apocynum cannabinum
Artemisia vulgaris
Barbarea vulgaris
Bidens bipinnata
Brassica juncea
Dioscorea oppositifolia
Erigeron annuus
Erigeron strigosus
Gleditsia triacanthos
Hedera helix
Hieracium caespitosum
Ludwigia palustris
Marsilea mutica
Pastinaca sativa
Physalis longifolia var. subglabrata
Podophyllum peltatum
Portulaca oleracea
Potentilla simplex
Ranunculus abortivus
Ranunculus bulbosus
Ranunculus sceleratus
Rudbeckia hirta
Senna obtusifolia
Sida spinosa
Solanum rostratum
Solidago giganteae
Sonchus asper
Sonchus oleraceus
Toxicodendron radicans
Trifolium aureum
Trifolium campestre
Trifolium dubium
Verbascum blattaria
Verbesina occidentalis
Viola bicolor

Image of Virginia Cooperative Extension logo