Fernald, Merritt Lyndon, 1873-1950 <br/><br/>
The linear-leaved North American species of Potamogeton, section axillares 

 - Boston  American Academy of Arts and Science  1932 
 - 183 p.  il., láms., mapas; 30 cm. 
 - Memoirs of the American Academy of Arts and Sciences .
<br/><br/> Incluye bibliografía e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POTAMOGETONACEAE<br/>DISTRIBUCION GEOGRAFICA<br/>AMERICA DEL NORTE<br/>CLASIFICACION