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1
How to know the grasses; pictured-keys for determining the common and important American grasses, with suggestions and aids for their study.
Dubuque, Iowa, W.C. Brown Co. 1954Format: Book
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2
A field guide to freshwater fishes : North America north of Mexico
Boston : Houghton Mifflin, 1991Format: Book
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3
A field guide to Rocky Mountain wildflowers : from northern Arizona and New Mexico to British Columbia
Boston : Houghton Mifflin, 1963Format: Book
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4
A field guide to reptiles and amphibians : eastern and central North America
Boston : Houghton Mifflin, 1991
3rd ed.Format: Book
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5
Minnesota's forest trees.
St. Paul : University of Minnesota, Agricultural Extension Service, 1977
Rev.Format: Book
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6
A field guide to the birds : a completely new guide to all the birds of eastern and central North America
Boston : Houghton Mifflin Company, 1980
Fourth edition, completely revised and enlarged.Format: Book
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7
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8
Ferns and fern allies of the Driftless Area of Illinois, Iowa, Minnesota, and Wisconsin
[Milwaukee] : Milwaukee Public Museum Press, 1982Format: Book
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9
Handbook of mammals of the North-Central States
Minneapolis : University of Minnesota Press, 1988Format: Book
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10
National Audubon Society field guide to North American mushrooms
New York : Knopf : Distributed by Random House, 1981
A Chanticleer Press ed.Format: Book
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11
Manual of the Agromyzidae (Diptera) of the United States
Washington, D.C. : [Springfield, Va.] : U.S. Dept. of Agriculture, Agricultural Research Service : For sale by the Supt. of Docs., U.S. G.P.O. ; [National Technical Information Service, distributor], 1986Format: Government Document Book
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12
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13
The planktonic rotifera of Ontario with keys to genera and species
Waterloo, Ont. : Dept. of Biology, University of Waterloo, 1971Format: Book
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14
Field guide to the wildlife of Costa Rica
Austin : University of Texas Press, 2002
1st ed.Format: Book
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15
Sphagnaceae (peat moss family) of New York State
Albany, N.Y. : University of the State of New York, State Education Dept. : To purchase, Gift & Exchange Section, New York State Library, 1980Format: Book
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16
Identification of knapweeds and starthistles in the Pacific Northwest
Pullman, WA : Corvallis, Or. : Moscow, Idaho : [Washington D.C.] : Washington State University Cooperative Extension ; Oregon State University Extension Service ; University of Idaho Cooperative Extension System ; U.S. Dept. of Agriculture, 1993Format: Government Document Book
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17
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18
Through the looking glass : a field guide to aquatic plants
Stevens Point, Wis. : Wisconsin Lakes Partnership, 1997Format: Government Document Book
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19
Field guide to forest ecosystems of northeastern Ontario
Timmins : Northeast Science & Technology, Ontario Ministry of Natural Resources, 1994Format: Book
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20