Vegetation and vegetational history of Northern Latin America:  papers presented as part of a symposium 
Alan Graham (ed.) 
<br/><br/> FACULTAD DE ZOOTECNIA 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botánica--ecología--Latinoamérica
<br/><br/><label>Dewey Class. No.: </label>581.972  / VEG 1973