Jack Bean
Jack In The Pulpit
Jack-go-to-bed-at-noon
Jackbean
Jagged Chickweed
Japanese Bristlegrass
Japanese Clover
Japanese Honeysuckle
Japanese Knotweed
Japanese Mazus
Java-bean
Jersey Tea
Jerusalem Artichoke
Jewelweed
Jimsonweed
Johnny Jumpup
Johnsongrass
Jointed Goatgrass
Jointfir
Jointtail Grass
Jointvetch
Jointweed
Joyweed
Jujube
Jumpseed
Junegrass
Jungle Rice
Juniper
Juniper Leaf