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WorksheetsFFA - Weeds
Total questions: 82
Worksheet time: 3hrs 44mins
What Weed is This?
Barnyard Grass
Crabgrass
Johnson Grass
Smartweed
What Weed is This?
Black Nightsade
Common Chickweed
Velvetleaf
Wild Onion/Garlic
What Weed is This?
Broadleaf Plantain
Buckhorn Plantain
Velvetleaf
Common Lambsquarter
What Weed is This?
Buckhorn Plantain
Broadleaf Plantain
Velvetleaf
Common Lambsquarter
What Weed is This?
Bull Thistle
Dandelion
Jimsonweed
Prickly Lettuce
What Weed is This?
Cheat
Jhonsongrass
Smartweed
Redroot Pigweed
What Weed is This?
Common Chickweed
Common Purslane
Kudzu
Prostrate Knotweed
What Weed is This?
Common Cocklebur
Common Milkweed
Field Sandbur
Jimsonweed
What Weed is This?
Common Lambsquarter
Ground Cherry
Horsenettle
Curly Dock
What Weed is This?
Common Milkweed
Common Cocklebur
Field Sandbur
Velvetleaf
What Weed is This?
Common Purslane
Prostrate Spurge
Prostrate Knotweed
Shepardspurse
What Weed is This?
Common Ragweed
Wild Carrot
Horseweed (Marestail)
Crown Vetch
What Weed is This?
Crabgrass
Barnyard Grass
Johnsongrass
Nutsedge
What Weed is This?
Crown Vetch
Prostrate Knotweed
Wild Carrot
Shepardspurse
What Weed is This?
Curly Dock
Wild Mustard
Horsenettle
Common Milkweed
What Weed is This?
Dandelion
Shepardspurse
Sowthistle
Bull Thistle
What Weed is This?
Field Dodder
Field Sandbur
Kudzu
Prostrate Knotweed
What Weed is This?
Field Sandbur
Common Milkweed
Giant Ragweed
Redroot pigweed
What Weed is This?
Green Foxtail
Yellow Foxtail
What Weed is This?
Yellow Foxtail
Green Foxtail
What Weed is This?
Giant Ragweed
Common Cocklebur
Curly Dock
Morningglory
What Weed is This?
Ground Cherry
Horsenettle
Jimsonweed
Common Cocklebur
What Weed is This?
Horsenettle
Prickly Lettuce
Sowthistle
Bull Thistle
What Weed is This?
Horseweed (Marestail)
Common Ragweed
Crabgrass
Field Sandbur
What Weed is This?
Jimsonweed
Prickly Lettuce
Sowthistle
Wild Mustard
What Weed is This?
Johnsongrass
Common Ragweed
Crabgrass
Nutsedge
What Weed is This?
Kudzu
Sicklepod
Velvetleaf
Common Chickweed
What Weed is This?
Morningglory
Shepardspurse
Common Cocklebur
Jimsonweed
What Weed is This?
Nutsedge
Redroot pigweed
Field Sandbur
Johnsongrass
What Weed is This?
Prickly Lettuce
Sowthistle
Bull Thistle
Horsenettle
What Weed is This?
Prostrate Knotweed
Prostrate Spurge
Common Chickweed
Common Purslane
What Weed is This?
Prostrate Spurge
Common Purslane
Prostrate Knotweed
Common Chickweed
What Weed is This?
Redroot pigweed
Smartweed
Barnyard Grass
Common Ragweed
What Weed is This?
Shepardspurse
Wild Onion/Garlic
Nutsedge
Horsenettle
What Weed is This?
Sicklepod
Common Chickweed
Kudzu
Velvetleaf
What Weed is This?
Smartweed
Redroot pigweed
Giant Ragweed
Common Ragweed
What Weed is This?
Sowthistle
Bull Thistle
Dandelion
Wild Mustard
What Weed is This?
Velvetleaf
Common Cocklebur
Ground Cherry
Kudzu
What Weed is This?
Wild Carrot
Common Ragweed
Horseweed (Marestail)
Prostrate Knotweed
What Weed is This?
Wild Mustard
Velvetleaf
Kudzu
Black Nightshade
What Weed is This?
Wild Onion/Garlic
Nutsedge
Barnyard Grass
Field Sandbur
No ligule, auricles,
or hairs; raceme
seed head; grows
from a rosette.
Crabgrass
Barnyard Grass
Johnsongrass
Nutsedge
Alternate leaves on the stem; egg shaped to elliptical; leaf grows
down the stem; wavy/smooth leaf margin (depends on age). Tends to
be more wavy at the base of the leaf but smooth toward the tip.
Black Nightshade
Common Cocklebur
Curly Dock
Sicklepod
Five prominent veins running down the leaf; short and
fat/wide leaves; smooth leaf margins, smooth texture.
Broadleaf Plantain
Buckhorn Plantain
Curly Dock
Common Cocklebur
Five to seven prominent veins running
down the leaf; long and narrow leaves,
about the width of a thumb (1 inch)
Buckhorn Plantain
Broadleaf Plantain
Curly Dock
Common Cocklebur
Grows from a rosette; leaves are
deeply lobed with one spine on the tip
of each lobe only. Leaf surface will be
covered with tiny hairs. Often
confused with _____ which
has many thorns per lobe.
Bull Thistle
Horsenettle
Dandelion
Common Lambsquarter
Seeds have a
single hair on
each seed; seed
heads are
compact and
opposite of each
other.
Cheat
Field Sandbur
Nutsedge
Wild Onion/Garlic
Small spade shaped leaves that are
opposite of one another. About the size of
your pinky nail. Winter annual plant.
Common Chickweed
Common Purslane
Prostrate Knotweed
Prostrate Spurge
Branches out; seed leaves are long and narrow,
will grow opposite of one another; true leaves
often have 3-5 lobes and are serrated, very rough
textured—like sandpaper. Seed leaves are long
and narrow, smooth-waxy texture. Stems are
thick and almost woody, most commonly
confused with cotton.
Common Cocklebur
Common Lambsquarter
Ground Cherry
Wild Mustard
Grows up and branches off; leaves come off stem
as a “V” then come to a point, leaf margins are wavy
towards the tip of the leaf. Leaves are attached by a
long, narrow petiole.
Common Lambsquarter
Common Cocklebur
Ground Cherry
Wild Mustard
Thick leaves that come off opposite and
are about 10-19 cm long, 5-11 cm wide.
Bleeds a milky white sap. Dominate, white
mid-rib vein.
Common Milkweed
Curly Dock
Prostrate Spurge
Wild Mustard
Thick, succulent leaves and stem.
Stem can usually be reddish-purplish
color. Leaves can grow to be about the
width of your thumb nail. Only
succulent plant on list.
Common Purslane
Crown Vetch
Prostrate Spurge
Prostrate Knotweed
Annual plant. Can grow to be about 5ft tall; hairy
stems and light greenish leaves; leaves are simple but
appear to be compound because of how deeply lobed
each leaf is. Often confused with Wild Carrot.
Common Ragweed
Wild Onion/Garlic
Johnsongrass
Crown Vetch
Annual; only grass with
hairs on stem, makes a
chicken foot- like seed head.
Grows from a rosette.
Crabgrass
Smartweed
Nutsedge
Johnsongrass
Herbaceous vine, leaves are alternate and pinnately compound, with 15
to 25 pairs of leaflets. Compound leaves range from 5 to 10 cm in length
and have nine to twenty-five leaflets. Leaflets are one to two cm long.
Leaflets have smooth margins. Leaves form an even pinnate. Seed leaves
have only three leaflets. First true leaves will have four leaflets.
Crown Vetch
Common Ragweed
Wild Carrot
Shepardspurse
Long, narrow, lance-shaped leaves are curled and
have wavy margins. Can have a very tall stalk (seed
head)
Curly Dock
Black Nightshade
Velvetleaf
Jimsonweed
Grows from a rosette;
lobes are pointed and point
back to the center of the
plant; only makes one
flower per rosette and will
never have leaves.
Dandelion
Sowthistle
Prickly Lettuce
Bull Thistle
Leaf-less vine; has slender, twining or
threadlike stems that vary from pale green to
yellow or bright orange. It’s a parasitic annual
plant that infests many crops, ornamentals,
native plants, and weeds.
Field Dodder
Wild Onion/Garlic
Cheat
Johnsongrass
Hairless, annual
grass that produces
numerous green to
straw-colored spiny
burs at maturity.
Seeds are very
sharp and can be
dangerous to both
people and animals.
Field Sandbur
Common Cocklebur
Jimsonweed
Bull Thistle
Hairs are completely absent on the leaf.
(Plants aren’t supposed to have hair)
Green Foxtail
Yellow Foxtail
Has very long hairs one the lower leaf surface.
Yellow Foxtail
Green Foxtail
Trident shaped
leaves (three points),
very rough in texture.
Grows to be about 10
-
15 ft tall, leaves are
about the width of
your hand.
Giant Ragweed
Common Ragweed
Velvetleaf
Wild Mustard
Stems have flat
sides, leaves do
not grow down
the petiole,
makes a lantern-
like fruit, veins
are very visible.
Ground Cherry
Common Milkweed
Jimsonweed
Wild Onion/Garlic
Has spines on stem and on midrib vein along upper
and lower leaves, wavy leaf margin.
Horsenettle
Horseweed (Marestail)
Prickly Lettuce
Sowthistle
Short hairs, seed heads will branch
out and are usually found on top half
of plant, does not bleed, leaf margins
will have small indentions, biennial,
rosette leaves are wider than mature
leaves.
Horseweed (Marestail)
Horsenettle
Shepardspurse
Crabgrass
Seed pod is large and spikey leaves have very distinct odor when rubbed, seed leaves are very long, slender, and come to a point.
Jimsonweed
Bull Thistle
Common Milkweed
Ground Cherry
Spreads by rhizome, large panicle seed
head leaves are 1” wide with thick white
midrib vein stems are thick, tallest of all
the grasses.
Johnsongrass
Barnyard Grass
Cheat
Crabgrass
An invasive, perrenial vine.
_____ is a legume as
evidenced by its trifoliate
leaves. Leaflets are attached
to petioles. Leaflet margins
are entire and pointed.
Young vines are covered
with bronze hairs that fall
off when the plant gets
older.
Kudzu
Prostrate Spurge
Curly Dock
Morningglory
Binding vine. Leaves can be heart shaped,
ivy leaf style, even cypress-leaf style.
Will not have an arrowhead appearance
like Field Bindweed.
Morningglory
Prostrate Knotweed
Kudzu
Field Dodder
Spreads by rhizome, stem is triangular, leaves
have groove down the center (“V” shaped) leaves
grow at the bottom and top of the plant.
Nutsedge
Common Lambsquarter
Johnsongrass
Redroot pigweed
Has small thorns on the
underside of the midrib vein,
leaf margins makes short,
pointed lobes similar to an
immature dandelion.
Prickly Lettuce
Sowthistle
Bull Thistle
Horsenettle
Leaves are about 1in long oblong shaped (football
shaped), alternating, does not bleed, nodes are
slightly swollen, grows from a rosette.
Prostrate Knotweed
Prostrate Spurge
Common Chickweed
Common Purslane
Leaves come off opposite, bleeds a white
sap, are not succulent.
Prostrate Spurge
Prostrate Knotweed
Common Chickweed
Common Purslane
Seed leaves are narrow, pointed toward the end, true leaves are alternate along the stem and are oval or long and narrow with very visible veins.
Redroot pigweed
Smartweed
Giant Ragweed
Common Ragweed
Winter annual broadleaf weed; rosette leaves are
lobed. Seed heads are heart-shaped and alternating.
Shepardspurse
Sowthistle
Morningglory
Dandelion
An annual legume that is common in
the Southeast. Leaves make an even
pinnate and the leaflets are egg
shaped. Leaflets are opposite, have 2-
3 pairs, and the pair closest to the
stem is smallest. Pairs get larger
closer to the tip of the leaf. Similar in
appearance to Peanut plants when
immature.
Sicklepod
Wild Mustard
Common Chickweed
Kudzu
Perennial, leaves are very long and
narrow, comes to a point, come off
opposite. Flowers look similar to a brain.
Grows in areas that collect an excessive
amount of moisture, such as low-lying
areas and ditches.
Smartweed
Redroot pigweed
Common Ragweed
Cheat
Biennial plant that resembles
dandelion. Rosette leaves also point
back towards the stem but true leaf
margin’s are prickly but not painful;
makes several flowers per plant rather
than one.
Sowthistle
Shepardspurse
Dandelion
Bull Thistle
Leaves are heart-shaped with serrated-like leaf margins,
entire surface area is very “velvety.”
Velvetleaf
Kudzu
Curly Dock
Broadleaf Plantain
Biennial,grows from a rosette, compound leaves, flowers form an umbel, if given at the contest a carrot will not be shown.
Wild Carrot
Prostrate Knotweed
Horseweed (Marestail)
Common Ragweed
In the brassica family, the only one w/ hairs on
the leaves, leaf margin is toothed/serrated,
somewhat lobbed.
Wild Mustard
Jimsonweed
Common Lambsquarter
Common Cocklebur
Grows to be about 6-12”tall, lime/light green in color, has a thin, hollow stem and give off a very strong oniony odor when cut.
Wild Onion/Garlic
Bull Thistle
Common Ragweed
Black Nightshade
