B. S. Walters - https://michiganflora.net/species.aspx?id=1055
Awlfruit Sedge (Carex stipata)
One of our commonest species of Carex throughout the state, in moist, usually shaded ground everywhere, except only very rarely in sphagnum bogs.
Shade Tolerance: Full sun to Part Shade
Height: 3' tall
Bloom Time: May-June