Duke, James A.
Duke's handbook of medicinal plants of Latin America
CRC Press, Taylor & Francis Group, 2009
 Buku Referensi
Bold, Harold Charles, 1909-
Morphology of plants and fungi
Harper & Row, 1987
 Buku Teks
Jacobs, William P.
Plant hormones and plant development
Cambridge University Press , 1979
 Buku Teks
Terrestrial plant ecology
by Michael G. Barbour ... [and others]
An Imprint of Addison Wesley Longman , 1998
 Buku Teks
The biological aspects of rare plant conservation
edited by Hugh Synge
John Wiley & Sons, 1981
 Buku Teks