BioStor
 | New combinations relevant to the Cyperaceae tribe Cypereae of tropical America T Koyama (1974) Phytologia 29: 73-74 |
 | An Analysis of the Flora of Southern Africa: Its Characteristics, Relationships, and Orgins Peter Goldblati (1978) Annals of the Missouri Botanical Garden 65: 369-436 |
 | The genera of Cyperaceae in the southeastern United States G C Tucker (1987) Journal of the Arnold Arboretum 68: 361-445 |
 | Phytogeographical Relationships of the Genera of Angiosperms in the Fanjing Shan Mountain Range, Northeastern Guizhou, China Tsun-Shen Ying, David E Boufford and Yuling Tu (1991) Annals of the Missouri Botanical Garden 78: 338-358 |