Cuthbert, Mabel Jaques <br/><br/>
How to know the spring flowers : pictured key for determining the more common spring flowers herbaceous plants, with suggestions and aids for their study / Mabel Jaques Cuthbert 

 - 168 páginas  22 x 14 cm 
<br/><br/> Donación Dr. Federico B. Vervoorst 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanica Sistematica<br/>Flora<br/>Estados Unidos de America