Jack In The Pulpit          

Jack Pine      

Jack-go-to-bed-at-noon          

Jagged Chickweed          

Jamaican Forget-me-not          

Japanese Barberry      

Japanese Black Pine          

Japanese Bristlegrass          

Japanese Corktree          

Japanese False Bindweed          

Japanese Flowering Cherry          

Japanese Flowering Crab Apple      

Japanese Honeysuckle      

Japanese Hop          

Japanese Knotweed          

Japanese Mazus          

Japanese Meadowsweet          

Japanese Pachysandra      

Japanese Pearlwort          

Japanese Sedge          

Japanese Snowball          

Japanese Tree Lilac          

Japanese Walnut          

Japanese Wisteria          

Japanese Yew      

Jasione          

Jasmine Tobacco          

Java-bean          

Jersey Tea          

Jerusalem Artichoke      

Jerusalem Cherry          

Jerusalem Oak Goosefoot          

Jetbead          

Jewelweed      

Jimsonweed          

Johnny Jumpup          

Johnsongrass      

Jointed Spikesedge      

Jointleaf Rush      

Jointweed          

Jumpseed          

Jungle Rice      

Juniper