1. Angerstein MB Lemke DE 1994. First records of the aquatic weed Hygrophila polysperma (Acanthaceae) from Texas. SIDA 16:365-371.
2. Bowes G 1987. Aquatic plant photosynthesis: strategies that enhance carbon gain. Plant life in aquatic and amphibious habitats [ed. by Crawford RMM]. Oxford UK: Blackwell Scientific Publications 79-98.
3. Buckingham GR 1994. Biological control of aquatic weeds. In: Pest management in the subtropics: biological control - a Florida perspective [ed. by Rosen D Bennett FD Capinera JL(Editors)] Andover UK: Intercept Limited 413-480.
4. Cobb JE Haller W 1981. Annual Report Florida Cooperative Agreement Integrated Management of Aquatic Weeds 1980-1981. USA: USDA/SEA/AR - University of Florida.
5. Cuda JP Sutton DL 2000. Is the aquatic weed hygrophila Hygrophila polysperma (Polemoniales: Acanthaceae) a suitable target for classical biological control? In: Proceedings of the X International Symposium on Biological Control of Weeds Bozeman Montana USA 4-14 July 1999 [ed. by Spencer NR] Bozeman USA: Montana State University 337-348.