Rocky Mountain Trees & Wildflowers Pocket Guide. Rocky Mountain Trees and Wildflowers is the perfect pocket-sized, folding guide to familiar trees, shrubs and wildflowers. This beautifully illustrated guide highlights over 140 familiar species and includes a map featuring prominent regional botanical sanctuaries. Laminated for durability, this handy guide is a great source of portable information and ideal for field use by novices and experts alike. This guide is laminated.