Moyle, John Briggs  1909, <br/><br/>
A field key to the common mon-woody flowering plants and ferns of minnesota, based largely upon vegetative characters. 5 revision. 

 - 73 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botánica--Minnesota
<br/><br/><label>LC Class. No.: </label>QK168  / M68