Ulmus thomasii
Rock or Cork Elm
2 to 7
Quebec, Canada to Tennessee, west to Nebraska - United States

Oblong crown
 
 
 
 
 
 
Trunk remains unbranched. Has tough, hard wood which is where the "Rock" common name comes along.
 

Susceptible to Dutch elm disease (DED)

 

 
 

 

 
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