Jack In The Pulpit          

Jack Pine      

Jack-go-to-bed-at-noon          

Jagged Chickweed          

Japanese Angelica Tree          

Japanese Barberry      

Japanese Black Pine          

Japanese Bristlegrass          

Japanese Clover      

Japanese Corktree          

Japanese False Bindweed          

Japanese Flowering Crab Apple      

Japanese Holly      

Japanese Honeysuckle      

Japanese Hop          

Japanese Knotweed          

Japanese Maple          

Japanese Mazus          

Japanese Meadowsweet          

Japanese Netvein Hollyfern          

Japanese Pachysandra      

Japanese Pearlwort          

Japanese Primrose          

Japanese Rose          

Japanese Snowball          

Japanese Snowbell          

Japanese Tree Lilac          

Japanese Yew      

Jasione          

Jasmine Tobacco          

Java-bean          

Jeffersonia          

Jersey Cudweed          

Jersey Knapweed          

Jersey Tea          

Jerusalem Artichoke      

Jerusalem Cherry          

Jerusalem Oak Goosefoot          

Jerusalem Sage          

Jetbead          

Jewelweed      

Jimsonweed          

Johnny Jumpup          

Johnsongrass