Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 43, 127 [primary reference]

• Type: (not designated).

• Comment: Given as CYPERUS subg. EUCYPERUS `pars.' CHORISTACHYS sect. SUBQUADRANGULARES.

Kern, J.H. (1974), Cyperaceae. Flora Malesiana Series I 7(3): 608 [taxonomic synonym]

taxonomic synonym of: Cyperus sect. Subimbricati C.B.Clarke legitimate

Wilson, K.L. (27 September 1991), Systematic studies in Cyperus section Pinnati (Cyperaceae). Telopea 4(3): 361-496 [secondary reference]

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