For example, suggested plants in the defensible space zone include mountain ash, bitter cherry or mountain maple.
From the sacbee.com
Forest were replanted after the war with spruce, pine, cedar, Siberian larch, oak, Norway maple, elm, America, ash, apple tree, mountain ash and other species.
From the en.wikipedia.org
At the border between woods and bare mountain, trees that require warm temperatures, such as oak, elm, maple, and black alder, have become established for the first time in 8,000 years.
From the sciencedaily.com
On the plateau proper, areas of scrub oak appear on the best-watered mountain slopes, and villagers cultivate orchards and grow the plane tree, poplar, willow, walnut, beech, maple, and mulberry.