Carex idahoa

{{Short description|Species of plant}}

{{Use dmy dates|date=February 2024}}

{{Speciesbox

| image =

| genus = Carex

| species = idahoa

| authority = L.H.Bailey

}}

Carex idahoa is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to western parts of North America.{{cite web |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:46368-2|title=Carex idahoa L.H.Bailey |access-date=8 November 2022 |publisher=Kew Science – Plants of the World Online}}