Chowdhury, N.P. <br/><br/>
The Pteridophyte flora of the upper Gangetic plain  N.P. Chowdhury. 

 - New Delhi  Navayag Traders  1973 
 - xi, 90p.: ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany - upper gangetic plains Plants - India.
<br/><br/><label>Dewey Class. No.: </label>582.3509545  / C35P