This field guide to butterflies of the western United States, west of the Mississippi River, completes Jeffrey Glassberg's large project to develop a set of photographic field guides to butterflies that actually work as field guides, for positive identification of butterflies from observation in the field. This guide and its companion volumes cover all the butterflies found within the continental United States.
- ISBN10 0195106695
- ISBN13 9780195106695
- Publish Date 19 July 2001
- Publish Status Active
- Out of Print 27 September 2021
- Publish Country US
- Imprint Oxford University Press Inc
- Format Paperback
- Pages 384
- Language English