Imagem de Carex cusickii Mack.

Descrição:

tjm2 description of the leaf sheaths:' sheath front often cross-wrinkled, red-dotted, mouth generally U-shaped, often thick-rimmed, widely dark or coppery; ligule length > 2 width.'On Google earth you can see the raised hummocks which populations of these plants create.This image is primarily meant to illustrate the leaf sheath thickened rim and coppery color.