Luceño & M.Escudero (Kük.) 2009 - Escudero M, Luceño M (2009) Systematics and evolution of Carex sects. Spirostachyae and Elatae (Cyperaceae). Plant Systematics and Evolution 279(1-4): 163-189. doi: 10.1007/s00606-009-0156-x.
There is no corrections for Carex mannii subsp. friesiorum yet.