Plant Photo Credits

Adrian and Gill Smith. Ryedale Natural History Survey.

Anne Murray. Center for Aquatic and Invasive Plants, The University of Florida.

Brent Steury.  Smithsonian Institution, Botany Section, Department of Systematic Biology.

Buck Albert. AScI Corporation, U.S. Geological Survey, Center for Aquatic Resource Studies.

Clayton Antieau, website: www.ecy.wa.gov.

Clare Lee. US Fish and Wildlife Service.

Colette Jacono, US Geological Survey/CARS, Nonindigenous Aquatic Species Program.

Dan Tenaglia, website: www.missouriplants.com.

Elizabeth Parris, Wisconsin State Herbarium.

Genevieve Keller.  Website: www.pondplants.com

Hugh Wilson, TAMU herbarium, Texas A&M University, College Station, TX. Digital Flora of Texas. 

Kerry Dressler, website: www.bio.umass.edu.

Leslie J. Mehrhoff.  IPANE.  Department of Ecology and Evolutionary Biology, University of Connecticut.

Myriah Richerson, Johnson Controls, Inc. Nonindigenous Aquatic Species Program.

Dr. Nick V. Kurzenko.  Vice-Director of the Institute of Biology and Soil Sciences at the Russian Academy of Sciences.   Website:  Calphotos.

Robert H. Mohlenbrock. USDA-NRCS Plants Database/USDA NRCS, 1995. Northeast Wetland Flora: Field office guide to plant species.  Northeast National Technical Center, Chester, PA.

Stacey Leicht. IPANE. Department of Ecology and Evolutionary Biology, University of Connecticut.

Ted Center, USDA, Agricultural Research Service.

Vic Ramey. University of Florida. Center for Aquatic and Invasive Plants. 

Washington State Noxious Weed Control Board.

Website: www.ulsamer.at

Invertebrate Photo Credits

Tritonia plebeia image courtesy of http://www.pictonb.freeserve.co.uk/nudibranchs/triple.html

Tenellia adspersa image courtesy of http://www.biology.ucsc.edu/classes/bio161l/NUDI/tadspersa.html

Potamilis alatus, Ligumia recta, Leptodea fragilis, Lasmigona subviridis, Lampsilis cardium, Fusconaia flava, Pyganodon grandis, Utterbackia imbecillis, Alasmidonta marginata were used with permission from Paul Parmalee and Art Bogan.

Eubosmina coregoni redrawn from Dodson, S. I. and D. G. Frey. Cladocera and other Brachiopoda. Pages 723-786 in Thorp, J. H. and A. P. Covich (Eds.) 1991. Ecology and Classification of North American Freshwater Invertebrates. Academic Press, Inc., San Diego, California. 911 pp.

Gammarus daiberi redrawn from Bousfield, E. L. 1973.  Shallow-water Gammaridean Amphipoda of New England.  Cornell Univ. Press, Ithaca, New York, 312 pp.

Synidotea laevadorsalis redrawn from Poore, G. C. B. and H. M. Lew Ton. 1993. Idoteidae of Australia and New Zealand (Crustacea: Isopoda: Valvifera). Invertebrate Taxonomy 7: 197-278.

Acknowledgements

Special thanks to the following individuals: Ann Bove, Barre Hellquist, Bill McAvoy, Bill Sipple, Fred Jackson, Garrett Crow, Glenn Sullivan, Keith Clancy, Leslie Mehrhoff, Paul Harmon, Steve Young and Tom Wieboldt.  Thanks to Dr. Leo Nico for early accounts of many fish species and Louis Somma for amphibian and reptile information.