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Plant type

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

Leaf arrangement

folded in bud
rolled in bud
I do not know

Ligule

membrane

membrane
hairy
none
I do not know

Ligule length

more than 3 mm

none
less than 1 mm
1-2 mm
2-3 mm
more than 3 mm
I do not know

Leaf hair on surface

I do not know

no hairs
hairs from base to tip
hairs on basal half only
I do not know

Mature leaf Width

less than 5 mm
6 to 15 mm
more than 15 mm
I do not know

Auricle

I do not know

not present
present
I do not know

Stem

flat or oval
round
triangle
I do not know

Root structure

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

Seedhead

panicle

bristly
spike
branched spike
flowers
spiny burs
multiple spikes
panicle
I do not know

Lifecycle

winter annual
summer annual
biennial
perennial
I do not know

Common name

(10 weeds)
bulbous bluegrass
creeping bentgrass
Johnsongrass
orchardgrass
redtop
reed canarygrass
rescuegrass
sweet vernalgrass
upland bentgrass
wild oat

Scientific Name

(10 weeds)
Agrostis gigantea
Agrostis perennans
Agrostis stolonifera
Anthoxanthum odoratum
Avena fatua
Bromus catharticus
Dactylis glomerata
Phalaris arundinacea
Poa bulbosa
Sorghum halepense

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