Cyperus haspan Linnaeus, Species Plantarum 1: 45. 1753.

"Habitat in India, Aethiopia." RCN: 378.

Lectotype (McGivney in Biol. Ser. Catholic Univ. Amer. 26: 45. 1938): Herb. Hermann 2: 43, No. 37 (BM-000621657) .

Current name: Cyperus haspan L. ( Cyperaceae).

Note: See Kartesz & Gandhi (in Phytologia 72: 19. 1992) for a discussion on the spelling of haspan vs. halpan. They conclude it should be “haspan”, as does Wilson (in Telopea 5: 598. 1994).