books.google.co.uk - Sedges are among the world’s most diverse and ecologically important plant families, with almost two hundred species in Wisconsin alone. These grass-like plants, found mostly in wetlands, are increasingly popular with landscapers and home gardeners. Learning to identify sedges is challenging, however,...http://books.google.co.uk/books/about/Field_Guide_to_Wisconsin_Sedges.html?id=c-p-_UvCwwAC&utm_source=gb-gplus-shareField Guide to Wisconsin Sedges
