13. Nomenclature of the arborescent flora of the United States Creator: Sudworth, George Bishop, 1864-1927. Collection: Core Historical Literature of Agriculture Publisher: Govt. Print. Off., Publication Place: Washington : Date: 1897 Format: Book
14. The survival of the unlike: a collection of evolution essays suggested by the study of domestic plants. Creator: Bailey, L. H. 1858-1954. Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1896 Format: Book
15. The origin of floral structures: through insect and other agencies. Creator: Henslow, George, 1835-1925. Collection: Core Historical Literature of Agriculture Publisher: Appleton, Publication Place: New York : Date: 1888 Format: Book
16. Descending from puna into valley Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Pampas River Valley (Peru) Date: 2001 Format: Image
17. Puna La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
18. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
19. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
20. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
21. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
22. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
23. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
24. Puna flora, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Quispillaccta (Peru) Quispillacta (Peru)Quispillaqta (Peru) Date: 2001 Format: Image
