Hi, Dr. Hill,
This sedge is growing in full sun in the fall line; photographed Mar 28. I’m sending, for identification purposes (one per day), a few more sedges and possibly a grass that have escaped identification for years. I hope not to tax your patience! I’m attached photos of the seed head, and front and back of the leaf.
I sent the pictures you sent to Paul Marcum, a colleague here in Illinois who knows more about sedges than I do. He replied “This one looks like Carex reznicekii (Reznicek’s sedge) because it seems to lack basal spikes, has narrow leaves, and the pistillate scales are only sightly red tinged. The other option would be C. nigromarginata (Black edged sedge).”
Dr. Steven Hill, Botanist, SCNPS