Cyperus eragrostis is a species of sedge known by several common names, including tall flatsedge and pale galingale.
This species is originally native to states of the West Coast of the United States It has become naturalized elsewhere in North America including British Columbia and some states in the northeastern and southeastern U.S., Europe, and parts of South America and Australia. It can become a weed where it is introduced; it has been known to infest rice fields.
Cyperus eragrostis is an herbaceous perennial growing from rhizomes. It is a green sedge with tall, erect stems, 10–90 centimetres (3.9–35 in) in height. Long, thin, pointed leaves radiate from the top, similar to a parasol ribs.
Its flowers are found within tough, rounded, greenish-yellow or beige spikelets. Fruiting is in the summer. 
- USDA . accessed 1.23.2013
- Cyperus eragrostis in Flora of North America @ efloras.org . accessed 1.23.2013
|Wikimedia Commons has media related to: Cyperus eragrostis|
- USDA Plants Profile for Cyperus eragrostis (tall flatsedge)
- Jepson Manual Treatment: Cyperus eragrostis
- Cyperus eragrostis — U.C. Photo gallery
|This Cyperaceae article is a stub. You can help Wikipedia by expanding it.|