Most images provided by Dr. Douglass Jacobs
Eastern US Hardwoods
American beech (Fagus grandifolia)
Black cherry (Prunus serotina)
Harvesting chestnuts to establish a test plantation
Processing harvested chestnuts
Wisconsin state champion American chestnut (Castanea dentata)
2nd generation pure American chestnut (Castanea dentata)
Hackberry (Celtis occidentalis)
"Walnut Cathedral", a prime example of mixed, mesophytic hardwood forest
Nice Northern red oak (Quercus rubra)
Falling Northern red oak (Quercus rubra)
Falling Northern red oak (Quercus rubra)
Bucking veneer Northern red oak (Quercus rubra)
Skidding out veneer Northern red oak (Quercus rubra)
Bark of old-growth silverbell (Halesia carolinia)
High-quality black walnut appraised at over $15k for this single tree
Black walnut (Juglans nigra) selected for tree improvement research
32-yr old plantation of various black walnut clones
32-yr old black walnut clones “Purdue #1”, internationally known for straight stem form
Shooting down branches of a black walnut (Juglans nigra) selected for tree improvement research
Collecting cuttings of black walnut for grafting
Grafts of improved black walnut at operational nursery
Yellow-poplar (Liriodendron tulipifera)