Hypericum  the genus hypericum 
edited by Edzard Ernst. 
 - Boca Raton  CRC Press  2012 
 - x, 241p.: ill.; 24cm. 
 - (Medicinal plants of the world .23). .
<br/><br/><label>ISBN: </label>9780415369541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicinal plants Hypericum - Therapeutic use. 
<br/><br/><label>Dewey Class. No.: </label>615.321  / H99H