Rhynchospora macrostachya
{{Short description|Species of grass-like plant}}
{{Speciesbox
| image = Rhynchospora macrostachya.png
| genus = Rhynchospora
| species = macrostachya
| authority = Torr. ex A.Gray
| synonyms =
}}
Rhynchospora macrostachya, the tall horned beaksedge or tall beaksedge, is a plant in the sedge family, Cyperaceae. It is a perennial.{{cite web |url=https://plants.usda.gov/core/profile?symbol=RHMA6 |title= Plants Profile for Rhynchospora macrostachya (tall horned beaksedge) |website= plants.usda.gov |access-date= 24 January 2018 |author=}}
Conservation status in the United States
It is listed as threatened in Connecticut[http://www.ct.gov/deep/lib/deep/wildlife/pdf_files/nongame/ets15.pdf "Connecticut's Endangered, Threatened and Special Concern Species 2015"]. State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.) and Rhode Island. It is listed as rare in Indiana, and as endangered in Kentucky and Maine.