Carex tetrastachya

{{Short description|Species of flowering plant}}

{{Speciesbox

|image=

|genus=Carex

|species=tetrastachya

|authority=Scheele

|synonyms_ref=

|synonyms=

• Carex brittoniana {{small|J.M.Coult.}}
• Carex straminea var. maxima {{small|L.H.Bailey}}

}}

Carex tetrastachya is a species of sedge (family Cyperaceae), native to the U.S. states of New Mexico, Texas, Oklahoma, and Louisiana.{{cite POWO |id=302621-1 |title=Carex tetrastachya Scheele |access-date=17 September 2022 }} It prefers to grow in sandy loam or clay soils in low-lying or otherwise moist areas.{{cite journal |url=https://oaktrust.library.tamu.edu/handle/1969.1/194821 |title=Carex tetrastachya |last1=Lehman |first1=Roy L. |year=2005 |website=OAKTrust |publisher=Texas A & M University Press. |hdl=1969.1/194821 |access-date=17 September 2022 }}