Eastern Trailing Ticktrefoil          

Eastern Turkeybeard          

Eastern Wahoo          

Eastern Waterleaf          

Eastern White Pine      

Eastern Woodland Sedge      

Ebony Spleenwort          

Echinocystis          

Eclipta          

Eelgrass          

Egeria          

Eggleaf Rosette Grass      

Egyptian Grass          

Elderberry          

Elecampane Inula          

Elephantsfoot          

Elliptic Spikerush          

Ellisia          

Elm          

Elmleaf Blackberry          

Elmleaf Goldenrod          

Elsholtzia          

Eltrot          

English Ivy      

Eranthis          

Erect Centella          

Erect Hedgeparsley          

Erect Knotweed          

Eryngo          

Estuary Pipewort          

Eurasian Watermilfoil          

European Alder      

European Bird Cherry      

European Bur-reed          

European Chickweed          

European Columbine          

European Cranberrybush      

European Field Pansy          

European Gooseberry          

European Heliotrope          

European Larch      

European Lily Of The Valley      

European Marshwort          

European Meadow Rush