Miscellaneous chorological, nomenclatural and taxonomic notes on Carex (Cyperaceae) from South America, including the description of three new species

Summary Despite the ongoing intensive efforts on disentangling the diversity of the genus Carex (Cyperaceae) in South America, there is much still to be accomplished. In this note we studied collections from some of the main South American and North American herbaria, new field collections, and obse