Cyperus lupulinus var. macilentus (Fernald) A. Haines

Cyperus lupulinus var. macilentus (Fernald) A. Haines is a synonym sensu IPNI of:

Cyperus lupulinus subsp. macilentus (Fernald) Marcks, an accepted subspecies name sensu FNA Ed. Comm., 2002a.