drain flat sedge
Cyperus eragrostis Lam.

Cyperus eragrostis, known as drain flat sedge, is a species of sedge in the Cyperaceae family. It is found in regions such as British Columbia, the Açores, Madeira, Portugal, Brazil, and various islands in the Pacific and Atlantic. The species was first described in 1791 by Lam. It is associated with disturbed wet environments.
Description
Cyperus eragrostis is a sedge species known by multiple common names, including tall flatsedge, nutgrass, and chufa. It is native to and grows in areas like British Columbia, Açores, Madeira, and various islands in the Pacific and Atlantic. It is also present in the Nearctic, Neotropical, and parts of Colombia. The plant is typically found in disturbed wet habitats. It was first published in 1791 by Lam.
Other common names
Pale galingale, Tall flatsedgeTall flatsedgePale galingaleUmbrella sedgetall flat sedgedrain flat sedgetall cyperus
Distribution
British Columbia · Açores · Madeira · Portugal Continental · BR · Corvo Island · Faial Island · Flores Island · Graciosa Island · Pico Island · Santa Maria Island · São Jorge Island · São Miguel Island · Terceira Island · Madeira Island · Nearctic · Neotropical · Pacific (Oceania) · Distrito Regional de Manejo Integrado (DRMI) Laguna de Sonso, municipio de Guadalajara de Buga, Valle del Cauca, Colombia · TW · ZA · CL · HR · IE · Belgium · Flemish Region · Walloon Region · France · The Netherlands · Great Britain
Synonyms
Cyperus eragrostis var. eragrostisChlorocyperus eragrostisCyperus declinatusCyperus eragrostis var. compactusCyperus eragrostis f. latifronsCyperus eragrostis f. tenerCyperus gracilisCyperus lutescensCyperus luzulaeCyperus monandrusCyperus ochrocephalusCyperus prionotropisCyperus serrulatusCyperus vegetusCyperus vegetus var. compactusCyperus declinatus var. limbatusCyperus vegetus var. limbataCyperus vegetus var. obtusangulusCyperus vegetus var. triangularisCyperus vegetus var. trigonusCyperus eragrostis f. rubromarginatusCyperus eragrostis var. spectabilis

