Eastern US Trees with Disjunct Populations in the SW's Mountains

Cherries
Hophornbeam (Ostrya)
Mulberry
Dogwood
Acer negundo
Rhus glabra
Soapberry Sapindus
Prunes (Prunus)
Gum Bumelia
Sycamore (Platinus)
Salix nigra....
Ash

Oak?