This guide could not have been produced without the assistance and cooperation of many individuals and agencies. Information on particular taxa was provided by Alan Batten, William Cody, Mary Beth Cook, George Douglas, Mike Emers, Randy Meyers, Carolyn Parker, James Reveal, Carl Roland, Bonnie Smith, Mary Stensvold, and Stephen Talbot. Mapping and technical assistance were provided by Julie Michaelson and Julia Lenz of the Alaska Natural Heritage Program.
Funding for this guide was provided by the Endangered Species Office of the U.S. Fish and Wildlife Service, Anchorage, the Alaska Regional Office of the National Park Service, and the Alaska State Office of the Bureau of Land Management. Virginia Moran and Ann Rappoport of the U.S. Fish and Wildlife Service, Sue Mills of the National Park Service, and Deborah Blank of the Bureau of Land Management were instrumental in securing the funding for this project and in seeing it through its production. Assistance with design and layout was provided by Mona Spargo of the U. S. Forest Service.
Dominique Collet provided the illustrations that are new to this edition; most of the remaining illustrations are by Anne-Lillian Schell and were provided through the courtesy of the University of Alaska Museum. Additional illustrations were provided through the courtesy of Carolyn Crawford, the Alberta Conservation Data Center and John Maywood, the Canada Department of Agriculture and Marion Platek, and David H. Wagner.
Photographs were provided by R. Lipkin, I. Macdonald, D. Murray, J. Overholt, C. Parker, H. Roemer, C. Roland, S. Talbot, D. H. Wagner, and W. H. Wagner.
D. Collet: Beckwithia glacialis, Claytonia ogilviensis, Cochlearia sessilifolia, Draba aleutica, D. ogilviensis, Lesquerella calderi, Ligusticum calderi, Poa hartzii ssp. alaskana, Saxifraga aleutica, Smelowskia pyriformis (flowering plant by A. Schell).
C.L. Crawford: Douglasia beringensis.
J. Maywood: Draba kananaskis.
M. Platek: Salix reticulata ssp. glabellicarpa, Senecio moresbiensis (detail by D. Collet).
A. Schell: Artemisia senjavinensis, Draba murrayi, Erigeron muirii, Eriogonum flavum var. aquilinum, Erysimum asperum var. angustatum, Oxytropis arctica var. barnebyana, O. kobukensis, Podistera yukonensis.
A. Schell with detail by D. Collet: Artemisia aleutica, A. globularia var. lutea, Cryptantha shackletteana, Mertensia drummondii, Polystichum aleuticum (P. lonchitis and pinnae by D. Collet), Rumex krausei.
D.H. Wagner: Botrychium ascendens.