Redbud is a tree. Rocky Mountain Fir is a type of tree.
Redwood forest
rose tree
A tree that starts with the letter R.....Red Maple.
redbud
rowan; redwood; redbud.
the cypress tree
Buckeye Tree
Maple tree.
I think it is a score tree
Vitex---Chaste Tree
alpine fir
That answer isn't the anser for you, ratapihpihi is the answer that starts with an R...
AshAspenAppleAvocadoApricot
Sycamore