Packer & Gould have provided an invaluable service for anyone interested in western North American botany by creating a simple user-friendly & portable key to the Alberta species found in the 30-volume set of Flora of North America Designed to be carried into the field for handy reference & use Part I incorporates the new names & taxonomical understandings that have accumulated over the years Part 1 of a three-volume set containing the up-to-date classification of the ferns fern allies gymnosperms & monocots found in Alberta according to the latest taxonomic findings