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

• choreograph
• choreographer
• choreographic
• choreography
• choric
• chorine
• chorioallantoic membrane
• chorioallantois
• choriomeningitis
• chorion
• chorionic
• chorionic villus
• chorionic villus biopsy
• chorionic villus sampling
• chorioretinitis
• Choriotis
• Choriotis australis
• chorister
• Chorizagrotis
• Chorizagrotis auxiliaris
• Chorizema
• chorizo
• chorography
• choroid
• choroid coat