Winter Botany Field Guide and Key for Deciduous Plants of the Northeastern and Northcentral United States and Southeastern and Southcentral Canada (40 to 50 degree parallels) (2019) is an up to date resource for students, teachers, botanists, horticulturalists, wetland and soil scientists, environmental consultants, land surveyors and engineers, land use professionals, conservation organizations, plant nurseries, landscape architects, environmental regulators, and anyone interested in learning more about identifying deciduous woody plants in winter. It combines the features of a field guide with an integrated key. More than 250 species are covered, 243 with full color close up photographs of key botanical details including twigs, buds, leaf scars and bundle traces, stipules and fruit arrangements. The integrated field guide and key brings a simplified approach to the identification of unknown specimens in the middle of winter. Detailed coverage and key identification characteristics of willows (Salix spp.), Oaks (Quercus spp.), Ashes (Fraxinus spp.), Juneberries (Amelanchier spp.), Ericaceous spp., Currants (Ribes spp.), and more are included. The book features an easy to use key, full color photographs and a description filled text. The introductory "Winter Deciduous Woody Plant Morphology" chapter provides descriptions of the botanical characteristics of plants in winter that are used in the rest of the Field Guide and Key. Also included is a chapter titled "Top Ten Winter Botany Helpful Field Tips" which have been developed by the author over a 30 year span while working in the field during winter and teaching winter botany workshops and classes to hundreds of students.