A Peterson Field Guide to Western Trees: Western United States and Canada

A Peterson Field Guide to Western Trees: Western United States and Canada

by Roger Tory Peterson, Olivia Petrides

This newly designed field guide features detailed descriptions of 387 species, arranged in six major groups by visual similarity. The 47 color plates and 5 text drawings show distinctive details needed for identification. Color photographs and 295 color range maps accompany the species descriptions.

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  • Format: Paperback

  • ISBN-13/EAN: 9780395904541

  • ISBN-10: 0395904544

  • Pages: 448

  • Price: $20.00

  • Publication Date: 07/25/1998

  • Carton Quantity: 32

R
Author

Roger Tory Peterson

Roger 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.
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G
Author

George A. Petrides

George A. Petrides, ecologist and field naturalist, worked with the National Park Services and taught at Michigan State University at Lansing. Petrides has written for the Peterson Field Guide series and was the recipient of an award from the Federated Garden Clubs of Michigan for A Field Guide to Trees and Shrubs.  
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  • excerpts

    TWO-NEEDLE PINYON Pinus edulis Engelm. Pl. 1 A short, round-topped, arid-zone tree mainly of the s. Rockies. Needles 2 per cluster, 3?4–2 in. long, dark green, sharp but not spiny. Cones short, 1–2 in. long, somewhat spherical, with thick, blunt, thornless scales and 2 wingless half-inch nuts per scale. Height 15–20 (50) ft.; diameter 1–2 (3) ft. Dry sites. Similar species: See Lodgepole Pine. Remarks: Like the other nut pines (see Singleleaf Pinyon), the fruits are eagerly sought by wildlife and humans alike. Reported to be the most common tree in N.M. A single- needle population is reported to occur in cen. Ariz. Resin from trunk wounds is said to have been used by Native Americans to waterproof woven bottles and to cement turquoise jewelry.

Available Resources

Related Categories

  • Format: Paperback

  • ISBN-13/EAN: 9780395904541

  • ISBN-10: 0395904544

  • Pages: 448

  • Price: $20.00

  • Publication Date: 07/25/1998

  • Carton Quantity: 32

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