1.
 |  | Title: Wildflowers: A Guide to Familiar American Wildflowers (Golden Guide) by Herbert Spencer Zim, Alexander C., Ph.D. Martin, Rudolf Freund, Herbert S., Ph.D. Zim, Jonathan P. Latimer, Karen Stray Nolting, Robert A. Defilipps, Herbert Spencer Flowers Zim ISBN: 1582381623 Publisher: Golden Guides from St. Martin's Press Pub. Date: 01 April, 2001 List Price: $6.95 Amazon.com Price: $6.95 |
2.
 |  | Title: Medicinal Plants of India (Medicinal Plants of the World, Vol 5, Two volume set) by S.K. Jain, Robert A. Defilipps ISBN: 0917256395 Publisher: Reference Pubns Pub. Date: 01 April, 1991 List Price: $99.00 Amazon.com Price: $99.00 |
3.
 |  | Title: Medicinal Plants of Brazil (Medicinal Plants of the World, Vol 6) by Walter B. Mors, Carlos Toledo Rizzini, Nuno Alvares Pereira, Robert A. Defilipps ISBN: 0917256425 Publisher: Reference Publishing Inc. Pub. Date: November, 2000 List Price: $60.00 Amazon.com Price: $60.00 |
4.
 |  | Title: Medicinal Plants of the Guianas (Medicinal Plants of the World Ser. ; No. 7) by Robert A. Defilipps ISBN: 0917256476 Publisher: Reference Pubns Pub. Date: 01 January, 1994 List Price: $39.95 Amazon.com Price: $39.95 |