Quercus macrocarpa (Bur oak) | Native Plants of North America
bur oak (Quercus macrocarpa var. macrocarpa) - Photo by Randy - Bur oak bark - http://www.minnesotaseasons.com/Plants/bur_oak_(macro… | Plants, Rings for men, Photo
Burr Oak Tree - Visitor Information - City of Rushford
Bur Oak – Cowling Arboretum – Carleton College
Bur Oak Campground | Explore Minnesota
Bur Oak (Quercus macrocarpa) in Inver Grove Heights, Minnesota (MN) at Gertens
Photo #36105: Burr Oak Tree, Magelssen Park | America's Byways
Bur Oak - Pahl's Market - Apple Valley, MN
Bur oak savanna hi-res stock photography and images - Alamy