Jack In The Pulpit
Jack-go-to-bed-at-noon
Jagged Chickweed
Japanese Azalea
Japanese Barberry
Japanese Black Pine
Japanese Bristlegrass
Japanese Clover
Japanese False Bindweed
Japanese Holly
Japanese Honeysuckle
Japanese Hop
Japanese Knotweed
Japanese Mazus
Japanese Netvein Hollyfern
Japanese Rose
Japanese Sedge
Japanese Wisteria
Jasione
Jasmine
Java-bean
Jeffersonia
Jerusalem Artichoke
Jerusalem Oak Goosefoot
Jetbead
Jewelweed
Jimsonweed
Johnny Jumpup
Johnsongrass
Jointed Spikesedge
Jointleaf Rush
Jointtail Grass
Jointvetch
Jointweed
Joyweed
Jumpseed
Jungle Rice
Juniper
Juniper Leaf
Justiceweed
Jute