Cyperus × mesochorus Geise
Family: Cyperaceae
Cyperus × mesochorus image
From Flora of Indiana (1940) by Charles C. Deam
This hybrid is described in Amer. Midland Nat. 15: 249-250. 1934. Geise cites numerous specimens from Lake and Porter Counties. She also refers specimens of my collecting from La Porte, Newton, and Warren Counties to this hybrid.