Linum sulcatum
{{Short description|Species of flowering plant}}
{{Speciesbox
|image = Grooved Yellow Flax (Linum sulcatum) - 20102864623.jpg
|genus = Linum
|species = sulcatum
|authority = Riddell
|synonyms =
}}
Linum sulcatum, common names yellow flax, grooved yellow flax, grooved flax, and yellow wild flax{{PLANTS |symbol=LISU4 |taxon=Linum sulcatum|access-date=14 March 2021 }} is a plant native to the United States and Canada.
Conservation status in the United States
It is listed as endangered 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 17 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.) as rare in Indiana, as endangered in Maryland, New Jersey, and Pennsylvania, as threatened in New York (state), and as historical in Rhode Island.