Rhynchosporaglomerata is the name of a species, part of the genus Rhynchospora.
This name is an alternative combination by Vahl of an original description of species by L. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Rhynchosporaglomerata (L.) Vahl var. capitellata (Michx.) Kük.