Paysen, Timothy E. <br/><br/>
A vegetation classification system applied to Southern California 
Timothy Paysen...et.al 
<br/><br/> FACULTAD DE ZOOTECNIA 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botánica--clasificación
<br/><br/><label>Dewey Class. No.: </label>581  / PAY 1980