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

• bluntly
• bluntness
• blur
• blurb
• blurred
• blurrily
• blurriness
• blurry
• blurt
• blurt out
• blush
• blush wine
• blusher
• blushful
• blushing
• blushing mushroom
• blushingly
• bluster
• blusterer
• blustering
• blusterous
• blustery
• Blériot
• bm
• BMDO