A Field Guide to Pacific States Wildflowers: Field Marks of Species Found in Washington, Oregon, California, and Adjacent Areas 
Subtitle: A Visual Approach Arranged ... (The Peterson Field Guide Series ; 22)
Publisher: Houghton Mifflin (P)
Published: August 1992
Language: eng
Number of pages: 432
ISBN-13: 9780395316627
First sentence: A large category in which most species are clearly white, but also including flowers that are mostly white or give a whitish impression (such as those spotted or tinted with yellow, red, blue, or green).