Kukkonen (Boiss. & Hohenacker) 1984 - Kukkonen I (1984) New infraspecific taxa and nomenclatural combinations in Carex (Cyperaceae) in the Flora iranica area. Annales Botanici Fennici 21(4): 383-389. Retrieved from http://www.jstor.org/stable/23726153
There is no corrections for Carex orbicularis subsp. kotschyana yet.