1. Ackerman JD (1986) Mechanisms and evolution of food-deceptive pollination systems in orchids. Lindleyana 1:108–113
2. Ackerman JD (1989) Limitations to sexual reproduction in Encyclia krugii (Orchidaceae). Syst Bot 14:101–109. doi: 10.2307/2419054
3. Ackerman JD (1995) An orchid flora of Puerto Rico and the Virgin Islands. Mem New York Bot Gard 73:1–203
4. Ackerman JD (2007) Invasive orchids: weeds we hate to love? Lankesteriana 7:19–21
5. Ackerman JD (2012a) Orchidaceae. In: Acevedo P, Strong M (eds) Catalogue of seed plants of the West Indies. Smithsonian Contrib Bot 98: 622–667. http://hdl.handle.net/10088/17551