Cyperus serotinus

Cyperus serotinus

Cyperus serotinus Rottb.
Engl.: tidal marsh flatsedge.
Deu.: Spätes Zypergras.
Bot. syn.: Juncellus serotinus (Rottb.) C. B. Clarke.

I have no articles for this botanical term, but there might be some for the next level down (if found).