Authors
- Niehaus, T. F.
- Ripper, C. L.
Year
1976Publisher/Journal
Houghton Mifflin CompanyNotes
Journal Reference: 432 pgs. ISBN 0395316626 Notes: descriptions and illustrations of 1492 species, excluding shrubs and trees, found in the western U.S. from the Pacific coast to the western foothills of the Rocky MountainsProgram Area
- Botany Documents
- Vascular Plants