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In his meticulous notes on the natural history of Concord, Massachusetts, Henry David Thoreau records the first open flowers of highbush blueberry on May 11, 1853. If he were to look for the first blueberry flowers in Concord today, mid-May would be too late. In the 160 years since Thoreau’s writings, warming temperatures have pushed blueberry flowering three weeks earlier, and in 2012, following a winter and spring of record-breaking warmth, blueberries began flowering on April 1—six weeks earlier than in Thoreau’s time. The climate around Thoreau’s beloved Walden Pond is changing, with visible ecological consequences.
           
In Walden Warming, Richard B. Primack uses Thoreau and Walden, icons of the conservation movement, to track the effects of a warming climate on Concord’s plants and animals. Under the attentive eyes of Primack, the notes that Thoreau made years ago are transformed from charming observations into scientific data sets. Primack finds that many wildflower species that Thoreau observed—including familiar groups such as irises, asters, and lilies—have declined in abundance or have disappeared from Concord. Primack also describes how warming temperatures have altered other aspects of Thoreau’s Concord, from the dates when ice departs from Walden Pond in late winter, to the arrival of birds in the spring, to the populations of fish, salamanders, and butterflies that live in the woodlands, river meadows, and ponds. 
           
Primack demonstrates that climate change is already here, and it is affecting not just Walden Pond but many other places in Concord and the surrounding region. Although we need to continue pressuring our political leaders to take action, Primack urges us each to heed the advice Thoreau offers in Walden: to “live simply and wisely.” In the process, we can each minimize our own contributions to our warming climate.

“What is a weed,” opined Emerson, “but a plant whose virtues have not yet been discovered?” While that may be a worthy notion in theory, these plants of undiscovered virtue cause endless hours of toil for backyard gardeners. Wherever they take root, weeds compete for resources, and most often win. They also wreak havoc on industry—from agriculture to golf courses to civic landscape projects, vast amounts of money are spent to eradicate these virile and versatile invaders. With so much at stake, reliable information on weeds and their characteristics is crucial. Richard Dickinson and France Royer shed light on this complex world with Weeds of North America, the essential reference for all who wish to understand the science of the all-powerful weed.

Encyclopedic in scope, the book is the first to cover North American weeds at every stage of growth. The book is organized by plant family, and more than five hundred species are featured. Each receives a two-page spread with images and text identification keys. Species are arranged within family alphabetically by scientific name, and entries include vital information on seed viability and germination requirements.

Whether you believe, like Donald Culross Peattie, that “a weed is a plant out of place,” or align with Elizabeth Wheeler Wilcox’s “weeds are but unloved flowers,” Dickinson and Royer provide much-needed background on these intrusive organisms. In the battle with weeds, knowledge truly is power. Weeds of North America is the perfect tool for gardeners, as well as anyone working in the business of weed ecology and control.

Plants are an indispensable part of our everyday lives. From the coffee bean that gets roasted for our morning brew to the grasses that feed the animals we eat to the rubber tree that provides the raw materials used in the tires of our cars, we depend on plants for nearly every aspect of our lives.
           
With What Have Plants Ever Done for Us?, Stephen Harris takes readers step by chronological step through the role of plants in the rise of the Western world, with sojourns through the history of trade, travel, politics, chemistry, and medicine. Plants are our most important food source. Some, such as barley, have been staples since the earliest times. Others, like the oil palm, are relative newcomers to the Western world. Over time, the ways we use some plants has also dramatically changed: Beets, a familiar sight on the dinner plate, were once thought to be an effective treatment for leprosy and now show significant promise as a sustainable biofuel. What, one wonders, might the future thus hold for the mandrake or woad? Plants have also held potent cures to some of our most prevalent diseases. An extract from the bark of the yew tree, for instance, is commonly used in the treatment of cancer.
           
Wide-ranging and thoroughly engaging, What Have Plants Ever Done for Us? will help readers cultivate a deeper appreciation for our branched and rooted friends who ask little in return for their vast contributions save for a little care and water.

Forests have been at the fault lines of contact between African peasant communities in the Tanzanian coastal hinterland and outsiders for almost two centuries. In recent decades, a global call for biodiversity preservation has been the main challenge to Tanzanians and their forests.

Thaddeus Sunseri uses the lens of forest history to explore some of the most profound transformations in Tanzania from the nineteenth century to the present. He explores anticolonial rebellions, the world wars, the depression, the Cold War, oil shocks, and nationalism through their intersections with and impacts on Tanzania’s coastal forests and woodlands. In Wielding the Ax, forest history becomes a microcosm of the origins, nature, and demise of colonial rule in East Africa and of the first fitful decades of independence.

Wielding the Ax is a story of changing constellations of power over forests, beginning with African chiefs and forest spirits, both known as “ax–wielders,” and ending with international conservation experts who wield scientific knowledge as a means to controlling forest access. The modern international concern over tropical deforestation cannot be understood without an awareness of the long–term history of these forest struggles.

Southern Spain, and in particular Andalucia, is hope to many common garden plants, including daffodils, lavenders, and shrubs. At the same time, it is one of the most florally diverse regions in the world. This book covers that spectrum, from the commonplace to the astonishing.

Drawing on more than fifteen years of fieldwork in the region, Tony Hall details over five hundred different species in this volume, presenting all essential botanical information alongside more than six hundred photographs and distribution maps.  No one interested in the plants of this region will be able to forego this book.

            The Sierra Nevada of California and Nevada is the longest continuous mountain range in the United States. It contains over 50 percent of California’s total flora, approximately 405 plant taxa endemic to the Sierra, and 218 taxa considered rare. Wild Plants of the Sierra Nevada inventories the flora of the entire range, including comprehensive descriptions of the plants; their traditional uses as food, medicine, or for making tools and other utensils; and information about their habitat. The authors describe the natural history and ecology of Sierra Nevada plants in terms of plant communities and life zones, and outline the basic principles of ethnobotany, the classification of plants, and methods of collecting plant specimens and protecting rare species.

            The plant descriptions are accompanied by line drawings of each major species, and the book includes a table of Sierra Nevada habitats and their associated plants, along with a list of threatened, endangered, and sensitive plant species found in the range. 

            This text is an essential guide for botanists, outdoors aficionados, and anyone interested in the intricate connections between plants, their environment, and our human species.

Originally published in 1999, Wildflowers and Other Plants of Iowa Wetlands was the first book to focus on the beauty and diversity of the wetland plants that once covered 1.5 million acres of Iowa. Now this classic of midwestern natural history is back in print with a new format and all-new photographs, just as Iowa’s wetlands are getting the respect and attention they deserve.

In clear and accessible prose, authors Sylvan Runkel and Dean Roosa provide common, scientific, and family names; the Latin or Greek meaning of the scientific names; habitat and blooming times; and a complete description. Plants are presented by habitat (terrestrial or aquatic), then refined by habit (e.g., emergent, floating, or submerged) or taxonomic group (e.g., ferns and allies or trees, shrubs, and vines). Particularly interesting is the information on the many ways in which Native Americans and early pioneers used these plants for everything from pain relief to tonics to soup and the ways that wildlife today use them for food and shelter. Each of the more than 150 species accounts is accompanied by a brilliant full-page color photograph by botanist Thomas Rosburg, who has also updated the nomenclature and descriptions for certain species.

After decades of being considered an enemy of the settler, the farmer, and the citizen, Iowa’s wetlands have come into their own. We are finally caring for these important habitats. Runkel and Roosa’s updated field companion will be a valuable guide to today’s preservation and restoration initiatives.

This classic of midwestern natural history is back in print with a new format and new photographs. Originally published in 1979, Wildflowers of Iowa Woodlands introduced many naturalists to the beauty and diversity of the native plants of the wooded communities that once covered more than 6 million acres of the state. Now redesigned with updated names and all-new images, this reliable field companion will introduce woodland wildflowers to a new generation of outdoor enthusiasts in the Upper Midwest.

The species accounts are accompanied by brilliant full-page color photographs by Larry Stone, Thomas Rosburg, and Carl Kurtz. In clear, straightforward, and accessible prose, authors Sylvan Runkel and Alvin Bull provide common, scientific, and family names; the Latin or Greek meaning of the scientific names; habitat and blooming times; and a complete description of plant, flower, and fruit. Particularly interesting is the information on the many ways in which Native Americans and early pioneers used these plants for everything from pain relief to insecticides to tonics.

Iowa’s original savannas, woodlands, and forests were cleared with amazing thoroughness, yet enough beauty and diversity remain to give joy to hikers, birders, and mushroomers. Wildflowers of Iowa Woodlands will inspire both amateurs and professionals with the desire to learn more about the wonders of today’s woodlands.

In the Aleutian Islands, wildflowers are king. Persistent low temperatures mean trees are unable to thrive, and so swaths of open tundra serve as the dramatic stage for a stunning variety of flowers. Wildflowers of Unalaska Island is the only guide to this flora, covering more than 160 species of flowering plants in a backpack-friendly book.

Each species is introduced and clearly defined and is accompanied by a photograph and line drawings. Many of these plants occur across a wide range of coastal Alaska; others are unique to the Aleutians. The introduction includes background on the unique geologic history, climate, and habitats of the archipelago to fully round out the user’s appreciation of the dramatic environment in which these hardy plants thrive.

Describing more than 1,100 species, this is a comprehensive guide to wildflowers in Wisconsin and parts of Minnesota, Michigan, Illinois, Indiana, Iowa, and Ontario. A new introduction to this second edition discusses wildflowers in the context of their natural communities. Packed with detailed information, this field guide is compact enough to be handy for outdoors lovers of all kinds, from novice naturalists to professional botanists. It includes:

• more than 1,100 species from 459 genera in 100 families
• many rare and previously overlooked species
• 2,100 color photographs and 300 drawings
• Wisconsin distribution maps for almost all plants
• brief descriptions including distinguishing characteristics of the species
• Wisconsin status levels for each species of wildflower (native, invasive, endangered, etc.)
• derivation of Latin names.

Many recreational hikers have stopped along the trail to admire a wildflower only to wonder what, exactly, they are looking at. Wildflowers of the Mountain West is a useful field guide that makes flower identification easy for the general outdoor enthusiast.

Many available plant guides are too technical or cumbersome for non-specialists to embrace. Covering New Mexico, Colorado, Wyoming, Idaho, Utah, Nevada and Oregon, this book is perfect for the enthusiasts who has little botanical knowledge but would like to know more about the wildflowers they are seeing. Organized by flower color for easy reference, plant records include the common and scientific names, a description of typical characteristics, habitat information and distribution maps, look-alike species, color photographs, and informative commentary. In addition, the book provides a useful introduction to the Mountain West region, along with line drawings to illustrate basic flower parts, shapes, and arrangements; a glossary of common botanical terms; a quick search key; and an index.

The book is spiral-bound, making it easy to bring along while hiking, backpacking, or biking, and stunning full color photographs make visual confirmation of flower type simple and straightforward.
 

This classic of midwestern natural history is back in print with a new format and new photographs. Originally published in 1989, Wildflowers of the Tallgrass Prairie introduced many naturalists to the beauty and diversity of the native plants of the huge grasslands that once stretched from Manitoba to Texas. Now redesigned with updated names and all-new photographs, this reliable field companion will introduce tallgrass prairie wildflowers to a new generation of outdoor enthusiasts in the Upper Midwest.

Each species account is accompanied by a brilliant full-page color photograph by botanist Thomas Rosburg. In clear, straightforward, and accessible prose, authors Sylvan Runkel and Dean Roosa provide common, scientific, and family names; the Latin or Greek meaning of the scientific names; habitat and blooming times; and a complete description of plant, flower, and fruit. Particularly interesting is the information on the many ways in which Native Americans and early pioneers used these plants for everything from pain relief to dyes to hairbrushes.

Runkel and Roosa say that prairies can be among the most peaceful places on earth; certainly they are among the most beleaguered. Wildflowers of the Tallgrass Prairie will inspire both amateurs and professionals with the desire to learn more about the wonders of the prairie landscape.

In this book, Peter Bernhardt takes us on a grand tour of the botanical realm, weaving engaging descriptions of the lovely shapes and intriguing habits of flowering plants with considerations of broader questions, such as why there are only six basic shapes of flowers and why the orchid family is so numerous and so bizarre. Everyone from amateur naturalists and gardeners to plant scientists will find Wily Violets and Underground Orchids a lively guide to botanical lore.

Compared to the obvious complexity of animals, plants at a glance seem relatively simple in form. But that simplicity is deceptive: the plants around us are the result of millennia of incredible evolutionary adaptations that have allowed them to survive, and thrive, under wildly changing conditions and in remarkably specific ecological niches. Much of this innovation, however, is invisible to the naked eye.
            With Wonders of the Plant Kingdom, the naked eye gets an unforgettable boost. A stunning collaboration between science and art, this gorgeous book presents hundreds of images of plants taken with a scanning electron microscope and hand-colored by artist Rob Kesseler to reveal the awe-inspiring adaptations all around us. The surface of a peach—with its hairs, or trichomes, and sunken stomata, or breathing pores—emerges from these pages in microscopic detail. The dust-like seeds of the smallest cactus species in the world, the Blossfeldia liliputana—which measures just twelve millimeters fully grown—explode here with form, color, and character, while the flower bud of a kaffir lime, cross-sectioned, reveals the complex of a flower bud with the all-important pistil in the center.
            Accompanying these extraordinary images are up-to-date explanations of the myriad ways that these plants have ensured their own survival—and, by proxy, our own. Gardeners and science buffs alike will marvel at this wholly new perspective on the world of plant diversity.

Native orchids are increasingly threatened by pressure from population growth and development but, nonetheless, still present a welcome surprise to observant hikers in every state and province. Compiled and illustrated by long-time orchid specialist Paul Martin Brown, this pocket guide to the woodland and bog rein orchids forms part of a series that will cover all the wild orchids of the continental United States and Canada.     
       Brown provides a description, general distributional information, time of flowering, and habitat requirements for each species as well as a complete list of hybrids and the many different growth and color forms that can make identifying orchids so challenging. For the woodland and bog rein orchids, which make up some of the most delicate and subtly colored of all wild orchids, he includes information on nineteen species, four subspecies and varieties, and seven hybrids.
      The genus Platanthera is the largest genus of orchids to be found in North America north of Mexico; the woodland and bog rein orchids comprise a significant group of species found throughout much of temperate U.S. and Canada. The luminously green rein orchids, so-called because of the resemblance of some of the flowers to the reins used on horses, are especially abundant in rich woodlands, wetlands, and bogs in the more northerly and cooler habitats. Most are easy to identify based upon their general appearance, range, and time of flowering. Answering three simple questions—when, where, and how does it grow?—and comparing the living plants with the striking photos in this backpack-friendly laminated guide and the information in the simple key should enable both professional and amateur naturalists to achieve the satisfaction of identifying a specific orchid.

A comprehensive guide that includes a vast range of species and plant communities and employs thorough, original keys. Based primarily on vegetative characteristics, the keys don't require that flowers or other reproductive features be present, like many plant guides. And this guide's attention to woody plants as a whole allows one to identify a much greater variety of plants. That especially suits an arid region such as Utah with less diverse native trees. Woody plants are those that have stems that persist above ground even through seasons that don't favor growth, due to low precipitation or temperatures.

Woody Plants of Utah employs dichotomous identification keys that are comparable to a game of twenty questions. They work through a process of elimination by choosing sequential alternatives.

Detailed, illustrated plant descriptions complement the keys and provide additional botanical and environmental information in relation to a useful introductory categorization of Utah plant communities. Supplementary tools include photos, distribution maps, and an illustrated glossary.