Scale length vs. fruit width for Rhynchospora filifolia, R. harperi, and R. mesoatlantica. Asterisked symbols indicate lectotype of R. filifolia, holotype of R. harperi, and holotype of R. mesoatlantica.
Part of: Treher Eberly A, Naczi RFC (2023) Rhynchospora mesoatlantica (Cyperaceae), an imperiled new species of beaksedge from eastern U.S.A. PhytoKeys 236: 65-81. https://doi.org/10.3897/phytokeys.236.111271