Field Trip
The Morton Arboretum is privately endowed and was founded in 1921 by J. Sterling Morton. Approximately 4,800 varieties and hybrids of woody plants of the world are presently included in the living plant collection. The ultimate aim is to include every tree, shrub, and vine able to survive the climate of northern Illinois.
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Publication: Tree Improvement and Genetics - Central States Forest Tree Improvement Conference - 1960