Preserves of Washington
Factoid The Rosy Periwinkle, a tropical forest plant, yields vincristine, a critical drug in the fight against children's leukemia and Hodgkin's disease.
Virtual Tour
Preserve Access and Rules
Cooperative Conservation



Photo Credits: Creek at Klickitat Oaks Preserve, ©Keith Lazelle; Ecologists in woods, Michael Wewer/©The Nature Conservancy; Yellow salsify, ©Keith Lazelle; Sunset, ©Keith Lazelle; Shore birds, ©Keith Lazelle; garter snake, ©William Leonard.
Illustration by Joyce Bergen.
©Copyright 1996, The Nature Conservancy.