Sedges have edges

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Sedges – an identification challenge. This often overlooked group of plants is extremely important diversity-wise. The Cyperaceae  family is comprised of over 25000 species. It is differentiated from grasses by their full stems, usually triangular stems. The saying “sedges have edges” mostly works along with thepresence of a perigynium which surrounds the fruit and flower. I am pretty sure this Carex prasina 

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