List of Fagales of Montana

There are at least 10 members of the birch, alder, and oak order, Fagales found in Montana. Some of these species have been designated as Species of Concern.

Beech and oaks
Family: Fagaceae
 * Quercus macrocarpa, bur oak

Birch and alder
Family: Betulaceae
 * Alnus incana, speckled alder
 * Alnus rubra, red alder
 * Alnus viridis, green alder
 * Betula nana, swamp birch
 * Betula occidentalis, spring birch
 * Betula papyrifera, paper birch
 * Betula pumila, bog birch
 * Betula × sargentii, hybrid birch
 * Betula × utahensis, hybrid birch