List of coniferous plants of Montana

There are at least 20 species of Gymnosperms or Coniferous plants in Montana. 
The conifers, division Pinophyta, also known as division Coniferophyta or Coniferae, are one of 13 or 14 division level taxa within the Kingdom Plantae. Pinophytes are gymnosperms. They are cone-bearing seed plants with vascular tissue; all extant conifers are woody plants, the great majority being trees with just a few being shrubs. Typical examples of conifers include cedars, Douglas-firs, cypresses, firs, junipers, kauris, larches, pines, hemlocks, redwoods, spruces, and yews. The division contains approximately eight families, 68 genera, and 630 living species.
The Ponderosa Pine, a conifer, is the Montana State Tree.
Cedars and Junipers.
Order: Pinales, Family: Cupressaceae
Fir, Hemlock, Larch, Pine, and Spruce.
Order: Pinales, Family: Pinaceae
Yew.
Order: Pinales, Family: Taxaceae