Long-bract Sedge, Slenderbeak Sedge, Slender-beak Sedge, Slender-beaked Sedge
Carex athrostachya
Synonym: Carex atherostachya (misspelled)
Compact inflorescence and long subtending bract of slenderbeak sedge.
Close-up of the perigynia of slenderbeak sedge.
Paul Slichter