Rhynchospora capitellata (Michaux) Vahl. Phen: Jul-Sep. Hab: Bogs and fens, seepages, and wet rock outcrops in the Mountains and upper Piedmont, also in wet habitats in the Coastal Plain of ne. NC and e. VA, also found in a variety of wet habitats. The only common beaksedge in the higher Mountains of our region. Dist: NB west to WI and n. NE, south to GA, AL, MS; disjunct in sw. OR and CA.
Origin/Endemic status: Native
Taxonomy Comments: Sorrie (2000) clarified the relationships and distinctions of this taxon with R. leptocarpa.
Synonymy: = Ar, F, GrPl, Il, K3, K4, Mi, Mo1, NE, NY, Pa, Tn, Va, W, WV, Ciafré & Naczi (2022), McMillan (2007), Naczi & Moyer (2017); = Rhynchospora glomerata (L.) Vahl var. minor Britton; = Rynchospora capitellata – S; < Rhynchospora capitellata (Michx.) Vahl – C, FNA23, G, GW1, K1, RAB, Tx, Gale (1944); < Rhynchospora glomerata (L.) Vahl, often misapplied