There are at least 191 members of the Rosales order found in Montana. [1] Some of these species are exotics (not native to Montana) [2] and some species have been designated as Species of Concern. [3]
Family: Grossulariaceae
Family: Crossosomataceae
Family: Hydrangeaceae
Family: Rosaceae
Family: Saxifragaceae
Family: Crassulaceae