Singer, Rolf <br/><br/>
Flora neotropica: ompholinae  Rolf singer. 

 - New York  Organization For Flora Niotropica  1970 
 - 84+34p., ill. 28cm 
 - (Monographs no.3, 4, 5, ). .
<br/><br/><label>Dewey Class. No.: </label>581.9  / F59F