| Rating | Book | Author | Publisher |
| A Field Guide to Ferns and their Related Families: Northeastern and Central North America with a section on species also found in the British Isles and Western Europe (Peterson Field Guide Series) | Roger Tory Peterson | Soft cover: Houghton Mifflin Company |
| A Field Guide to Hummingbirds of North America (Peterson Field Guides) | Sheri Williamson | Hard cover: Houghton Mifflin Company Soft cover: Houghton Mifflin Company |
| | (1) |
| A Field Guide to Medicinal Plants and Herbs of Eastern and Central North America (Peterson Field Guides) | James A. Duke | Hard cover: Houghton Mifflin Company Soft cover: Houghton Mifflin Company |
| A Field Guide to Mushrooms North America | Kent H. McKnight | Soft cover: Houghton Mifflin Company |
| A Field Guide to Rocky Mountain Wildflowers: Northern Arizona and New Mexico to British Columbia (Peterson Field Guide Series) | John Craighead | Soft cover: Houghton Mifflin Company |
| A Field Guide to Rocky Mountain and Southwest Forests (Peterson Field Guide Series) | John C. Kricher | Soft cover: Houghton Mifflin Company |
| A Field Guide to Southwestern and Texas Wildflowers (Peterson Field Guide Series) | Theodor F. Niehaus | Hard cover: Houghton Mifflin Company Soft cover: Houghton Mifflin Company |
| A Field Guide to Texas Trees | Benny J. Simpson | Soft cover: Gulf Publishing Company |
| A Field Guide to the Wild Orchids of Thailand | Nantiya Vaddhanaphuti | Soft cover: Silkworm Books |
| | (1) |
| A Georgia Native Plant Guide | Tina M. Samuels | Soft cover: Mercer University Press |
| A Guide to Species Irises: Their Identification and Cultivation | Species Group of the British Iris Society | Hard cover: Cambridge University Press
|
| | (1) |
| A Guide to the Wildflowers of South Carolina | Richard D. Porcher | Hard cover: University of South Carolina Press Soft cover: University of South Carolina Press |
| A Photographic Guide to Trees of Australia | Denise Greig | Soft cover: New Holland Publishers |
| Alaska Trees & Wildflowers | James Kavanagh | Soft cover: Waterford Press |
| | (1) |
| All About Tennessee Wildflowers | Jan W. Midgley | Soft cover: Sweetwater Press |
| Alpine Flower Finder: The Key to Rocky Mountain Wildflowers Found Above Treeline | Janet L. Wingate | Soft cover: Johnson Books |
| American WildLife and Plants, A Guide to Wildlife Food Habits | Alexander C. Martin | Soft cover: Dover Publications |
| | (1) |
| An Eclectic Guide to Trees East of the Rockies | Glen Blouin | Soft cover: Boston Mills Press |
| An Instant Guide to Wildflowers: The Most Familiar Species of North America Wildflowers Described and Illustrated in Full Color | Pamela Forey | Hard cover: Gramercy Books
|
| Arizona Cactus: A Guide to Unique Varieties | Deborah Smith | Soft cover: Renaissance House |
| Atlantic Coastal Plain Wildflowers: A Guide to Common Wildflowers of the Coastal Regions of Virginia, North Carolina, South Carolina, Georgia, and Northeastern Florida | Gil Nelson | Soft cover: Falcon Press |
| Barrenland Beauties: Showy Plants of the Canadian Arctic | Page Burt | Soft cover: Outcrop Ltd. |
| Bees & Other Stinging Insects: "Bee Aware and Bee Safe" | Heidi Connolly | Soft cover: 2Lakes Publishing |
| | (1) |
| Begonias: Cultivation, Identification, and Natural History | Mark C. Tebbitt | Hard cover: Timber Press
|
| Berry Finder: A Guide to Native Plants with Fleshy Fruits for Eastern North America | Dorcas S. Miller | Soft cover: Nature Study Guild |
| Best Plants for Your Garden | Susan Berry | Hard cover: Smithmark Publishers
|
| | (1) |
| Book for Maples | Masayoshi Yano | Soft cover: Japan Maple Publishing Group |
| Botany Illustrated: Introduction to Plants, Major Groups, Flowering Plant Families | Janice Glimn-Lacy | Soft cover: Springer |
| | (2) |
| Botany in a Day: Thomas J. Elpel's Herbal Field Guide to Plant Families, 5th Edition | Thomas J. Elpel | Soft cover: HOPS Press |
| | (1) |
| Budd's Flora of the Canadian Prairie Provinces | A. C. Budd | Hard cover: Agriculture Canada
|
| | (1) |
| Butterflies of the Carolinas | Jaret C. Daniels | Soft cover: Adventure Publications |
| Citrus Varieties of the World, 2nd Edition | James Saunt | Hard cover: Sinclair International, Ltd.
|
| Colorado Flora: Western Slope | William A. Weber | Soft cover: University Press of Colorado |
| Colorado Flora: Eastern Slope | William A. Weber | Soft cover: University Press of Colorado |
| Common Poisonous Plants and Mushrooms of North America | Nancy J. Turner | Hard cover: Timber Press Soft cover: Timber Press |
| Common Southwestern Native Plants: An Identification Guide | Jack L. Carter | Soft cover: Mimbres Press |
| Conifer Defoliators of British Columbia | Robert W. Duncan | Soft cover: Natural Resources Canada/Canadian Forest Service |
| | (2) |
| Daffodils in Florida: A Field Guide to the Coastal South | Linda M. Van Beck | Hard cover: Beck and Beck
|
| | (1) |
| Desert Tree Finder: A Pocket Manual for Identifying Desert Trees | May Theilgaard Watts | Soft cover: Nature Study Guild |