1. Old World aspen with a broad much-branched crown; northwestern Europe and Siberia to North Africa
   - quaking aspen, European quaking aspen

Type of: aspen

Encyclopedia: Populus tremula

• genus Egeria
• genus Egretta
• genus Eichhornia
• genus Eimeria
• genus Eira
• genus Elaeagnus
• genus Elaeis
• genus Elaeocarpus
• genus Elagatis
• genus Elanoides
• genus Elanus
• genus Elaphe
• genus Elaphurus
• genus Electrophorus
• genus Eleocharis
• genus Elephantopus
• genus Elephas
• genus Elettaria
• genus Eleusine
• genus Eleutherodactylus
• genus Eliomys
• genus Elodea
• genus Elops
• genus Elsholtzia
• genus Elymus