Evergreen trees in Colorado

Ponderosa Pine tree (Pinus ponderosa), in the EagleCrest sub-division north-west of Cripple Creek, Colorado. Kingdom: Plantae Division: Pinophyta Class: Pinopsida Order: Pinales Family: Pinaceae Genus: Pinus Subgenus: Pinus Species: P. ponderosa
Colorado Blue Spruce. The State Tree of Colorado. Kingdom: Plantae Division: Pinophyta Class: Pinopsida Order: Pinales Family: Pinaceae Genus: Picea Species: Picea pungens
Alyssa Erickson took these photos in May 2009, at a hiking trail near Colorado Springs, CO. This is a Douglas Fir tree. This is the only Colorado conifer whose cones have the conspicuous 3-pronged bracts extending from between the cone scales, per "From Grassland to Glacier, The Natural History of Colorado" by Mutel & Emerick, page 95. Kingdom: Plantae Division: Pinophyta Class: Pinopsida Order: Pinales Family: Pinaceae Genus: Pseudotsuga Species: Rocky Mountain Douglas-fir
Fir tree. El Paso County, CO March 2008. Kingdom: Plantae Division: Pinophyta Class: Pinopsida Order: Pinales Family: Pinaceae Genus: Abies