1.
 |  | Title: National Audubon Society Field Guide to North American Wildflowers: Western Region (National Audubon Society Field Guide Series)
by National Audubon Society, Richard Spellenberg
ISBN: 0375402330
Publisher: Alfred A. Knopf
Pub. Date: 03 April, 2001
List Price: $19.95
Amazon.com Price: $13.97 |
2.
|  | Title: Sonoran Desert Wildflowers: A Field Guide to the Common Wildflowers of the Sonoran Desert, Including Anza-Borrego Desert State Park, Saguaro National Park, Organ Pipe National Monument, Ironwood Forest National Monument, and the Sonoran Portion of Joshua Tree National Park
by Richard, Ph.D. Spellenberg
ISBN: 0762711361
Publisher: Falcon Press Publishing
Pub. Date: November, 2002
List Price: $24.95
Amazon.com Price: $16.97 |
3.
|  | Title: New Mexico Vegetation: Past, Present, and Future
by William Dick-Peddie, W. H. Moir, Richard Spellenberg
ISBN: 082632164X
Publisher: University of New Mexico Press
Pub. Date: 01 November, 1999
List Price: $24.95
Amazon.com Price: $16.97 |
4.
|  | Title: Familiar Flowers of North America: Eastern Region (The Audubon Society Pocket Guides)
by William Niering, Richard Spellenberg
ISBN: 0394748433
Publisher: Alfred A. Knopf
Pub. Date: 01 January, 1987
List Price: $9.00
Amazon.com Price: $9.00 |
5.
|  | Title: Familiar Flowers of North America: Western Region (The Audubon Society Pocket Guides)
by William Niering, Richard Spellenberg
ISBN: 0394748441
Publisher: Alfred A. Knopf
Pub. Date: 01 January, 1987
List Price: $9.00
Amazon.com Price: $9.00 |
6.
|  | Title: Audubon Wild Flwrs-West
by Richard Spellenberg
ISBN: 0394214889
Publisher: Alfred A. Knopf
Pub. Date: April, 1989
List Price: $14.45
Amazon.com Price: $14.45 |
