Smith, Gilbert Morgan  1885, <br/><br/>
The fresh-water algae of the united states 

 - 2 
 - vii, 719 páginas 
 - McGraw-Hill publications in the botanical sciences .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algas--Estados Unidos
<br/><br/><label>LC Class. No.: </label>QK571  / S6