Piper, Charles V.  1867-1926. <br/><br/>
Flora of the state of Washington. 
By Charles V. Piper. 
 - Washington,  Govt. Print. Off.,  1906. 
 - 637 p.  xxii pl. (incl. front.) fold. map in pocket.  25 cm. 
 - Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium.  vol. XI .
 - Contributions from the United States National Herbarium ;  v. 11. .
<br/><br/>Bibliography: p. 615-618. 
<br/><br/><label>LCCN: </label>agr06001784  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Washington (State)
<br/><br/><label>LC Class. No.: </label>QK1  / .U5 vol. 11