This handy, laminated, fold-out wildflower guide is perfect for carrying in your back pocket or your daypack. It features 256 color photographs of plants that are native to the lower Northern Rocky Mountains of Idaho, Montana, and Wyoming, and includes the common name and scientific name for each. For ease of use, flowers are organized by color. (4 1/8" x 9, opens up to 24 3/4" x 17 3/4")