A Field Guide to Rocky Mountain Wildflowers: Northern Arizona and New Mexico to British Columbia

~Frank C. Craighead Jr. is a senior research associate at the Atmosphere Sciences Research Center of the State University of New York at Albany and president of the Environmental Research Institute in Moose, Wyoming. John and Frank are the authors of Hawks in the Hands and Hawks, Owls, and Wildlife and both jointly and separately have published numerous articles and monographs on plants and animals.John J. Craighead is a professor of zoology and forestry at the University of Montana.Ray J. Davis was professor of botany at Idaho State University. In his travels to collect plants he covered all of North America and journeyed widely in Alaska, South America, Europe, Africa, and the Far East.Grant O. Hagen is a contributor for Houghton Mifflin Harcourt titles including: Peterson Field Guides: A Field Guide to Rocky Mountain WildflowersRoger Tory Peterson, one of the world"s greatest naturalists, received every major award for ornithology, natural science, and conservation, as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars, and the Peterson Field Guides® are credited with helping to set the stage for the environmental movement.Eduardo Salgado is a contributor for Houghton Mifflin Harcourt titles including: Peterson Field Guides: Rocky Mountain Wildflowers~