Bøger af Welby R. Smith

The definitive field guide for understanding and identifying ferns and lycophytes in Minnesota  Rapid advances in DNA studies have given scientists new understandings of ferns and lycophytes, making books published only a decade ago now obsolete. Ferns and Lycophytes of Minnesota is the first comprehensive presentation of these oldest of land plants in Minnesota. Welby R. Smith, Minnesota state botanist, thoroughly developed this essential guide for anyone interested in learning about and identifying these ubiquitous plants that have fascinated people for centuries.Found in forests, prairies, marshes, and lakes throughout the state, ferns and lycophytes are marvelously adaptive, allowing them to inhabit and thrive in unique ecological niches, including native plant gardens. Created for natural resource professionals as well as avid gardeners, hikers, and naturalists at all levels, this easy-to-use reference enables the quick and reliable identification of each of the one hundred species of ferns and lycophytes that grow wild in Minnesota.Illustrated with more than four hundred original photographs, primarily by Richard W. Haug, this complete and up-to-date field guide includes information about how to distinguish closely related species as well as details about the ecology, distribution, and phenology of each species.

With more than two hundred tree, shrub, and woody vine species in Minnesota, anyone with an interest in the outdoors has likely encountered an unfamiliar plant and wondered about its name, origin, characteristics, and habitat. In this new identification resource, the state\u2019s foremost botanist and endangered species expert Welby R. Smith provides authoritative, accessible, and up-to-date information on the state\u2019s native and naturalized woody plant species. ┬áThis fully illustrated resource features:┬á• Easy identification: more than one thousand color photographs of fruit, flowers, bark, and leaves for every species, as well as more than one hundred illustrations by botanical artist Vera Ming Wong ┬á• Distribution maps: more than five hundred maps, including state and North American range maps┬á• Interesting background: descriptions of each species\u2019 habitat, natural history, and ecology, which provide context to the entries┬á• Comprehensive coverage: includes all native and naturalized trees, shrubs, and woody vines in Minnesota from Abies balsamea to Zanthozylum americanum.┬áWritten for everyone from scientists and environmentalists to teachers and people interested in horticulture and gardening, Trees and Shrubs of Minnesota will engage and educate anyone with a curiosity about the natural world.┬áWelby R. Smith is a botanist for the Division of Ecological Resources at the Minnesota Department of Natural Resources. He is the author of Orchids of Minnesota (Minnesota, 1993).

An updated and revised edition of the only comprehensive guide to Minnesota orchids, with four new species, two new varieties, new maps, and new illustrations