Carex petitiana

Carex petitiana is a species of sedge in the family Cyperaceae that lives in swamps and bogs at altitudes of 1800 - 3600 m in Cameroon, the Democratic Republic of Congo, Ethiopia, Kenya, Malawi, Nigeria, Tanzania, Uganda and Zimbabwe. Two subspecies are recognised:
 * C. petitiana subsp. attenuata – only recorded from Malawi and Zimbabwe
 * C. petitiana subsp. petitiana (Kük.) Luceño & M. Escudero – throughout the species' range