|
| Plants for Dry Climates: How to Select, Grow, and Enjoy | Duffield, M.R. & W. D. Jones | Landscaping
Gardening |
| Plants of Arizona (Second Edition) | Epple, A. O. and Wiens, J. F. | Plant Identification |
| Plants of Carolinian Canada | Lamb, Larry and Gail Rhynard | Natural History |
| Plants of Central Texas Wetlands | Fleenor, S. B. and S. W. Taber | Plant Identification |
| Plants of Deep South Texas: a field guide to the woody and flowering species | Richardson, Alfred and Ken King | Texas flora |
| Plants Of Iowa: Keys For Determining The Names Of The Common Native Trees, Shrubs, Flowers And Ferns | Conard, H. S. | Plant Identification |
| Plants of Power: Native American Ceremony and the Use of Sacred Plants | Savinelli, A. | Medicinal Plants |
| Plants of South Dakota Grasslands: A Photographic Study | Johnson, J.R. | Plant Identification |
| Plants of the Chicago Region | Swink, F. & G. Wilhelm | Plant Identification |
| Plants of the Illinois Dunesland | Lunn, E.T. | Plant Identification |
| Plants of the Oregon Coastal Dunes | Wiedemann, A.M., L. D. Johnston, & F.H. Smith | Plant Identification
Natural History |
| Plants Of The Pacific Northwest Coast: Washington, Oregon, British Columbia & Alaska (Revised Edition) | Pojar, J. | Plant Identification |
| Plants of the Pacific Northwest Coast: Washington, Oregon, British Columbia, and Alaska | Pojar, J. & A. MacKinnon | Plant Identification |
| Plants of the Rio Grande Delta | Richardson, A. | Plant Identification |
| Plants of the Rocky Mountains (1st Edition) | Kershaw, L. J.; Pojar, J.; and Alaback, P. | Plant Identification |
| Plants of the San Francisco Bay Region: Mendocino to Monterey. 2d ed. | Beidleman, L. H. and Kozloff E. N. | Plant Identification |
| Plants of the Tahoe Basin: Flowering Plants, Trees, & Ferns | Graf, M. | Plant Identification
Rare and Endangered |
| Plants Of The Texas Coastal Bend | Lehman, R. L; R. O'Brien, T. White | Plant Identification |
| Plants of the Texas Shore: A Beachcomber's Guide | Cannatella, M. M; R. Arnold | Plant Identification
Natural History |
| Plants of Waterton-Glacier National Parks and the Northern Rockies | Shaw, R.J.; D. On | Plant Identification |
| Plants of Western Oregon, Washington & British Columbia | Kozloff, E. N. | Plant Identification |
| Plants of Yellowstone and Grand Teton National Parks (Revised 2008 Edition) | Shaw, R. J. | Plant Identification |
| Plants of Yellowstone and Grand Teton National Parks: including the Greater Yellowstone ecosystem | Shaw, R.J. | Plant Identification
Wildflowers |
| Plants Poisonous to People: In Florida and Other Warm Areas | Morton, J.F. | Poisonous Plants |
| Plants That Poison: An Illustrated Guide for the American Southwest | Schmutz, E.M. & L.B. Hamilton | Poisonous Plants |
| Plants, People, and Culture: The Science of Ethnobotany | Balick, M. J. & P.A. Cox | Useful Plants
Edible Plants
Medicinal Plants |
| Pocket Flora of the Redwood Forest | Becking, R. W. | Plant Identification
Natural History |
| Pods: Wildflowers & Weeds in Their Final Beauty | Embertson, J. | Useful Plants
Plant Identification
Wildflowers |
| Poison Ivy, Oak and Sumac Book: A Short Natural History and Cautionary Account | Anderson, T.E. | Poisonous Plants |
| Poisonous and Medicinal Plants | Blackwell, W.H. | Medicinal Plants
Poisonous Plants |
| Poisonous Plants and Animals | Altmann, H. & G. Vevers | Poisonous Plants
Wildlife |
| Poisonous Plants and Animals of Florida and the Caribbean | Nellis, D.W. | Poisonous Plants
Wildlife |
| Poisonous Plants and Venomous Animals of Alabama and Adjoining States | Gibbons, W.; Thomas, J.L.; Haynes, R.R. | Wildlife |
| Poisonous Plants of California | Fuller, T.C., & E. McClintock | Poisonous Plants |
| Poisonous Plants of North Carolina | Vondracek, W. ; L. Van Asch | Poisonous Plants |
| Poisonous Plants of the Central United States | Stephens, H.A. | Poisonous Plants |
| Poisonous plants, 1982-1986: 230 citations | MacLean, J. T. | Poisonous Plants |
| Poisonous plants: January 1984 - December 1991 (bibliography) | Kopolow, C. | Poisonous Plants |
| Poisons in Our Path: Plants That Harm and Heal | Dowden, A. O. T. | Poisonous Plants
Medicinal Plants |
| Practical Ecology for Planners, Developers, and Citizens | Perlman, D. L.; J. C. Milder | Landscaping
Natural History |
| Practical Guide to Prairie Reconstruction | Kurtz, C | Gardening |
| Practical Plant Identification : Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions | Cullen, J. | Plant Identification |
| Prairie Garden: 70 Native Plants You Can Grow in Town or Country | Smith, J.R. & B. S. Smith | Gardening
Plant Propagation |
| Prairie in Your Pocket: A Guide to Plants of the Tallgrass Prairie | Muller, M. | Plant Identification |
| Prairie Lands Gardener's Guide | Barash, C. W. | Gardening |
| Prairie Plants of Northern Illinois: Identification & Ecology | Russell, K. & H. H. Tweedie | Plant Identification
Natural History |
| Prairie Plants of the Midwest: Identification and Ecology | Kirt, R. R.; Tweedie, H. (Illustrator) and Simonds, R. L. (Illustrator) | Plant Identification |
| Prairie Plants of the University of Wisconsin-Madison Arboretum: Including Horsetails, Ferns, Rushes, Sedges, Grasses, Shrubs, Vines, Weeds, and Wildflowers | Cochrane, T. S. | Plant Identification |
| Prairie Primer | Nichols, S. & L. Entine, E. Howell | Natural History |
| Prairie Propagation Handbook | Rock, H. W. | Plant Propagation
Gardening
Plant Identification |
| Prairie Wildflowers | Strickler, D. | Wildflowers |
| Prairie Wildflowers and Grasses of North Dakota | Grondahl, C. | Wildflowers |
| Prairie World | Costello, D. F. | Natural History |
| Prairie-Style Gardens: Capturing the Essence of the American Prairie Wherever You Live | Steiner, L. | Gardening |
| Prairie: A North American Guide (Bur Oak Guide) | Winckler, Suzanne | Plant Identification |
| Priceless Florida: Natural Ecosystems and Native Species | Whitney, Ellie; Bruce Means; Anne Rudloe | Natural History
Wildlife |
| Private Gardens of Connecticut | Garmey, J. | Landscaping |
| Profiles of Northwest plants: Food uses, medicinal uses, legends | Robinson, P. | Edible Plants
Medicinal Plants
Useful Plants |
| Propagation Handbook: Basic Techniques for Gardeners | Bryant. G. | Gardening
Plant Propagation |
| Propagation of Alpine Plants and Dwarf Bulbs | Halliwell. B. | Plant Propagation |
| Propagation of Pacific Northwest Native Plants | Rose, R., C.E.C. Chachulski, D.L. Haase | Plant Propagation |
| Rain Forests of Home: Profile of a North American Bioregion | P. K. Schoonmaker; B. Von Hagen; E. C. Wolf | Natural History |
| Rainforest: Ancient Realm of the Pacific Northwest | W. Davis, & D. Suzuki | Natural History |
| Rainwater Collection for the Mechanically Challenged | Banks, S. and Heinichen, R. | Landscaping
Sustainable Landscaping |
| Rare and Endangered Plants of Oregon | Eastman, D.C. | Rare and Endangered |
| Rare and Endangered Plants of San Mateo and Santa Clara County with Photographs and Illustrations | Corelli, T.; Z. Chandik | Rare and Endangered |
| Rare Plants of Colorado | Colorado Native Plant Society | Rare and Endangered |
| Rare Plants of New York State | Mitchell, R. S. & C.J. Sheviak | Rare and Endangered |
| Rare Plants of Texas: A Field Guide | Poole, J. M.; Carr, W. R.; Price, D. M.; Singhurst, J.R. | Plant Identification
Rare and Endangered
Wildflowers |
| Rare Wildflowers of Kentucky | Barnes, T.G.; White, D.; Evans, M. | Wildflowers |
| Recipes from the Wild: Cooking with Native Texas Plants | Harvel, C. L. & B. L. Turner | Edible Plants |
| Redesigned Forest | Maser, C. | Natural History |
| Redesigning the American Lawn: A Search for Environmental Harmony | Bormann, F. H.; D. Balmori; G. T. Geballe | Landscaping
Natural History |
| Redwood Empire Wildflowers | Young, D.K. | Wildflowers |
| Redwood Region Flower Finder: A Guide to Identifying Wildflowers of the Coastal Fog Belt of California | Watts, P. ; Sarah Ellen Watts | Wildflowers |
| Reflecting Nature: Garden Designs from Wild Landscapes | Malitz, J. & S. Malitz | Landscaping |
| Remains of a Rainbow: Rare Plants and Animals of Hawai'i | Littschwager, D.; Middleton, S. | Rare and Endangered |
| Remarkable Plants of Texas: Uncommon Accounts of Our Common Natives | Matt Warnock Turner | Edible Plants
Medicinal Plants
Natural History
Poisonous Plants
Useful Plants |
| Report of the Botanist On the Grasses and Forage Plants, and the Catalogue of Plants [Of Nebraska] | Bessey, C. E. and Webber, H. J. | Plant Identification |
| Report on the United States and Mexican boundary survey: made under the direction of the secretary of the Interior | various | |
| Requiem for a Lawnmower: Gardening in a Warmer, Drier World, 2nd Edition | Wasowski, Sally and Andy Wasowski | Landscaping |
| Restoring the Tallgrass Prairie: An Illustrated Manual for Iowa & the Upper Midwest | Shirley, S. | Natural History
Plant Identification |
| Rhode Island Trees & Wildflowers: An Introduction to Familiar Species (A Pocket Naturalist Guide) | Kavanagh, J.M. | Wildflowers |
| Rhode Island Wildflowers | Stuckey, I. H. | Wildflowers |
| Right Plants for Dry Places (The): Native Plant Landscaping in Central Florida | Suncoast Native Plant Society | Gardening
Landscaping |
| Rivers of Change: Essays on Early Agriculture in Eastern North America | Smith, Bruce D. | Edible Plants |
| Roadside Flowers of Texas | Wills, M.M. & H.S. Irwin | Wildflowers |
| Roadside Plants and Flowers : A Traveler's Guide to the Midwest and Great Lakes Area | Edsall, M. S. | Plant Identification
Wildflowers |
| Roadside Plants of Northern New Mexico | Tierney, G.D. | Plant Identification |
| Roadside Plants of Southern California | Belzer, T.J. | Plant Identification |
| Roadside Trees and Shrubs of Oklahoma | McCoy, D. | Plant Identification |
| Roadside Use of Native Plants | Harper-Lore, B.; M. Wilson | Landscaping |
| Roadside Wild Fruits of Oklahoma (First Edition) | McCoy, D. | Plant Identification |
| Roadside Wildflowers of the Northwest | Underhill, J.E. (Ted) | Wildflowers |
| Roadside Wildflowers of the Southern Great Plains | Freeman, C.C. & E.K. Schofield | Wildflowers |
| Roadside Wildflowers: An Introduction to Familiar North American Species | Kavanagh, J.; R. Leung | Wildflowers |
| Rocky Mountain Alpines: Choice Rock Garden Plants of the Rocky Mountains in the Wild and in the Garden | Williams, J. | Gardening
Plant Identification |
| Rocky Mountain Flora (Fifth Revised Edition) | Weber, W. A. | Plant Identification |
| Rocky Mountain Flora: A Colorado Mountain Club Field Guide | Ells, J. | Plant Identification |
| Rocky Mountain Gardener's Handbook: All You Need to Know to Plan, Plant & Maintain a Rocky Mountain Garden | Cretti, J. and Newcomer, M. A. | Gardening |
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