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Taxonomic changes in C4 Cyperus (Cypereae, Cyperoideae, Cyperaceae): combining the sedge genera Ascolepis, Kyllinga and Pycreus into Cyperus s.l.

. Phytotaxa. 166, 1 (Apr. 2014), 33–48. DOI:https://doi.org/10.11646/phytotaxa.166.1.2.