A field guide to Pacific States wildflowers : field marks of species found in Washington, Oregon, California, and adjacent areas : a visual approach arranged by color, form, and detail
Describes 1,492 wildflowers found from British Columbia to Baja California, from the Rocky Mountains to the Pacific Ocean, including names, family, habitat, and flowering season, with illustrations
Print Book, English, 1976
Houghton Mifflin, Boston, 1976