When it was first published, Roger Tory Peterson said of Weeds and Wildflowers in Winter (originally published as Wildflowers and Winter Weeds), "this book will be a joy to those wood-walkers and strollers who have been puzzled by the skeletal remains of herbaceous plants that they see in winter." And indeed, it has been in print for decades, helping both wood-walkers and botanists identify and better understand the weeds we see in winter. This...