Harshberger, John W. (John William), 1869-1929 <br/><br/>
Phytogeographic survey of North America : a consideration of the Phytogeography of the North American Continent, including Mexico, Central America, and the West Indies, together with the Evolution of North American Plant Distribution 

 - Leipzig  Wilhelm Engelmann  1911 
 - lxiii, 790 p. + 1 mapas plegado  il., mapas; 26 cm. 
 - Die Vegetation der Erde : Sammlung pflanzengeographischer Monographien .
<br/><br/> \"German extract by Oscar Drude\"  Donación: Dr. Cristóbal M. Hicken  Incluye referencias bibliográficas e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AMERICA CENTRAL<br/>FITOGEOGRAFIA<br/>CANADA<br/>VEGETACION<br/>ECOLOGIA<br/>DISTRIBUCION GEOGRAFICA<br/>ESTADOS UNIDOS<br/>AMERICA DEL NORTE<br/>MEXICO