J

Jack-in-the-Pulpit

Jacob's Ladder

James' Sedge

Japanese Anemone

Japanese Barberry

Japanese Brome

Japanese Chaff Flower

Japanese Clover

Japanese Hedge Parsley

Japanese Honeysuckle

Japanese Knotweed

Japanese Knotweed 'Crimson Beautry'

Japanese Painted Fern

Japanese Quince

Japanese Silver Grass

Japanese Spiraea

Japanese Stiltgrass

Japanese Thimbleweed

Japanese Tree Lilac

Japanese Yew

Jenny, Creeping

Jerusalem Artichoke

Jewels, Fleming's Crown

Jewelweed, Pale

Jewelweed, Spotted

Jewelweed, Yellow

Jimsonweed

Joe-Pye Weed, Dwarf

Joe-Pye Weed, Hollow

Joe-Pye Weed, Purple-Node

Joe-Pye Weed, Spotted

Joe-Pye Weed, Sweet

John's Wort, Common St.

John's Wort, Dwarf St.

John's Wort, Shrubby St.

John's Wort, Spotted St.

Johnsongrass

Jointed Rush

Jointleaf Rush

Judd Viburnum

Jumpseed

Juniper, Blue Pfitzer

K

Kenilworth ivy

Kentucky Bluegrass

Kentucky Coffeetree

Kidney-Leaved Crowfoot

King Solomon's Seal

King-Devil, Yellow

Kingnut Hickory

Knapweed, Spotted

Knob-Styled Dogwood

Knock Out Rose

Knotgrass, Common

Knotweed, Curlytop

Knotweed, Japanese

Knotweed, Oval-leaf

Knotweed, Virginia

Korean Clover

L

Lace, Queen Anne's

Lacerate Blazing Star

Ladder, Jacob's

Ladies, Naked

Lady Fern

Lady's Bedstraw

Lady's Thumb

Lake Sedge

Lamb's Ear

Lamb's Lettuce

Lamb's Quarters

Lanceleaf Coreopsis

Lanceleaf Scurfpea

Laney's Hickory

Lantana, Common

Large Houstonia

Large-Flowered Bellwort

Large-Flowered Trillium

Large-Flowered Valerian

Large-Fruited Black Snakeroot

Large-Seeded Copperleaf

Largebract Ticktrefoil

Largeleaf Waterleaf

Largeleaf Wild Indigo

Larkspur, Dwarf

Late Eupatorium

Late Thoroughwort

Late-Flowering Thoroughwort

Laurel, Mountain

Lavender Hyssop

Lavender, English

Lead Plant

Leafcup, Small-Flowered

Leafcup, Yellow Flower

Leatherwood

Leek, Wild

Lemon Balm

Lemon Beebalm

Lemon Daylily

Lemongrass

Lenten Rose

Lespedeza, Chinese

Lespedeza, Creeping

Lespedeza, Roundhead

Lespedeza, Trailing

Lesser Burdock

Lesser Celandine

Lesser Hop Trefoil

Lesser Ladies' Tresses

Lesser Quickweed

Lettuce, Lamb's

Lettuce, Prickly

Lettuce, Tall Blue

Lettuce, Tall White

Lettuce, White

Lettuce, Wild

Lettuce, Willowleaf

Lettuce, Woodland

Leucospora

Lice, Beggar's

Licorice, Wild

Lilac, Common

Lilac, Japanese Tree

Lily of the Valley

Lily, Blue Plantain

Lily, Canna

Lily, Checkered

Lily, Ditch

Lily, Peppermint Surprise

Lily, Resurrection

Lily, Surprise

Lily, White Trout

Lily, Yellow Trout

Lily-Leaved Twayblade

Lilyturf

Limestone Meadow Sedge

Little Bluestem

Littlebell

Lobelia, Great Blue

Lobelia, Pale-Spiked

Lobelia, Palespike

Locust Leaf Fern

Locust Weed

Locust, Black

Locust, Thorny

Long-Awned Wood Grass

Long-Bracted Tickseed Sunflower

Long-Bristled Smartweed

Longleaf Ground Cherry

Longleaf Pondweed

Longstalk Tickseed

Loosestrife, Golden Globes

Loosestrife, Gooseneck

Loosestrife, Purple

Loosestrife, Whorled

Loosestrife, Winged

Lopseed

Lords-and-Ladies, Italian

Lotus, American

Louisiana Sagewort

Love-in-a-Mist

Low Hop Clover

Lowland Bladderfern

Lungwort

Lurid Sedge

Lyreleaf Sage