Knieskern's Beaked-rush

Rhynchospora knieskernii

Status	Threatened
Listed	July 18, 1991
Family	Cyperaceae (Sedge)
Description	Aquatic grass with narrow leaves and small white flowers.
Habitat	Bog iron deposits and muddy, disturbed areas.
Threats	Natural succession; change in groundwater supply.
Range	Delaware, New Jersey

Description

Knieskern's beaked-rush is a plant of the sedge family endemic to the Pinelands region of New Jersey. The genus name Rhynchospora is from the Greek rhynchos, meaning beak, and spora, meaning seed, which refers to the beaked seed or fruit that is characteristic of the genus. This grasslike plant was generally considered to be an annual species (i.e., living for only one season); however, it is currently suspected to be a short-lived perennial in locations where habitat …