- Bird Checklist: Writing-on-Stone Provincial Park. Edmonton: Alberta Community Development, 1998. (Brochure)
- Birds: Cypress Hills Inter-provincial Park. CHIP, nd. (Brochure)
- Birds of Fort Stevens State Park. Hammond OR: Fort Stevens State Park, nd. (Pamphlet)
- Birds of Lathrop State Park. Walsenburg CO: Lathrop State Park, nd. (Pamphlet)
- Birds of Pleasure Island. Gulf Shores AL: Gulf State Park, nd. (Pamphlet)
- Birds of Theodore Roosevelt National Park, North Dakota. Medora ND: TRNP, nd. (Pamphlet)
- Birds: Patrick’s Point State Park. Sacramento CA: Department of Parks and Recreation, 1987. (Pamphlet)
- Charles M. Russell National Wildlife Refuge: Bird List. Washington: US Fish and Wildlife Service, 2003. (Brochure)
- Checklist of Common Plants. Medora, ND: TRNP, 2000. (Pamphlet)
- Elias, Thomas S. The Complete Trees of North America . New York: Van Nostrand Reinhold, 1980.
- Facts on Writing-on-Stone Provincial Park. Edmonton: Alberta Community Development, 2002. (Pamphlet)
- Field Checklist of Saskatchewan Birds. Nature Saskatchewan, 2002 (Brochure)
- Fish, Amphibians, Reptiles, and Mammals: Writing-on-Stone Provincial Park. Edmonton: Alberta Community Development, 1998. (Brochure)
- Fishes of the Charles M. Russell National Wildlife Refuge. Lewiston MT: Charles M. Russell NWR, nd. (Pamphlet)
- Geology: Cypress Hills Interprovincial Park. CHIP, nd. (Brochure)
- Green Timbers. Victoria BC: Ministry of Forests, 2001. (Booklet)
- Green Timbers Urban Forest. Surrey BC: The Green Timbers Heritage Society, 1998. (Booklet)
- Historic Rondeau: A History of Rondeau Provincial Park. (Booklet)
- A History: Charles M. Russell National Wildlife Refuge. Lewiston MT: Charles M. Russell NWR, nd. (Pamphlet)
- Horn, Elizabeth L. Coastal Wildflowers of the Prairie Northwest. Missoula MT: Mountain Press Publishing Company, 1993.
- The Illustrated Book of Trees. London: Salamander, 1999.
- Knowles, Craig J. Habitat Affinity, Populations, and Control of Black-Tailed Prairie Dogs on the Charles M. Russell National Wildlife Refuge. Missoula MT: University of Montana, 1982. (Doctoral thesis)
- Murphy, Dennis D., and Christopher M. Koop, ed. Lake Tahoe Watershed Assessment: Volume II. Appendixes. Pacific Southwest Research Station, USDA Forest Service, 2000.
- Mammals, Amphibians, and Reptiles of Fort Stevens State Park. Hammond OR: Fort Stevens State Park, nd. (Pamphlet)
- Mammals of the Charles M. Russell National Wildlife Refuge. Lewiston MT: Charles M. Russell NWR, nd. (Pamphlet)
- Marshall Cavendish Illustrated Encyclopedia of Plants and Earth Sciences. New YorK; Marshall Cavendish, 1990.
- Petrides, George A. A Field Guide to Western Trees . Boston: Houghton Mifflin, 1992.
- The Photographic Guide to Birds of the World . New York: Mallard Press, 1991.
- Plants of Fort Stevens State Park. Hammond OR: Fort Stevens State Park, nd. (Pamphlet)
- Plants of the Cypress Hills. CHIP, nd. (Checklist Sheets)
- Plants: Patrick’s Point State Park. Sacramento CA: Department of Parks and Recreation, 1986. (Pamphlet)
- Rydberg, Per Axel. Flora of the Prairies and Plains of Central North America . New York: Haffner Publishing Company, 1965.
- Saskatchewan Landing Provincial Park. Saskatchewan Environment, 2000. (Brochure)
- Searle, Rick. Phantom Parks . Toronto: Key Porter Books, 2000.
- Thompson, John E. Michipicoten Post: Flora and Fauna Checklist. 1995. (Sheets)
- Tidepools: Patrick’s Point State Park. Sacramento CA: Department of Parks and Recreation, 1988. (Pamphlet)
- Whiteshell: Interpretive Park Map. Winnipeg: Manitoba Conservation, 2002. (Brochure)
- Whiteshell Trappers’ Museum. Winnipeg: Manitoba Conservation, nd. (Brochure)
- Wiggs, Raymond L. and Diana Rose Angelo. A Herpetofaunal Inventory of Buffalo National River. Harrison AR: Buffalo National River, 2003. (Report)
- Wildflower Bloom List, Lathrop State Park. Walsenburg CO: Lathrop State Park, nd. (Pamphlet)
- Wildflowers: Writing-on-Stone Provincial Park. Edmonton: Alberta Community Development, 1998. (Brochure)
- Wreck of the Peter Iredale. Hammond OR: Fort Stevens State Park, nd. (Pamphlet)
- http://naturepark.com/rainf.htm
- http://www.cypresshills.com
- http://members.tripod.com/tracker777/patricks.html
- http://www.parks.ca.gov/default.asp?page_id=417
- http://www.peacegarden.com/
- http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/mi/toc.htm
- http://www.nps.gov/wica/
- http://www.mostateparks.com/meramec.htm
- http://www.sanmarcosfoothills.org/bioplants.html
- http://www.botany.wisc.edu/botanicalresources.htm
- http://www.natureserve.org/
- http://www.nps.gov/crla/
- http://www.nps.gov/wica/
- http://bonita.mbnms.nos.noaa.gov/
- Numerous other websites on the internet
- Posted information at Green Timbers Arboretum and Nursery
- Various information sent from parks via E-Mail
