Carex madida

{{Short description|Species of grass-like plant}}

{{Speciesbox

| image =

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Pitman, N. |date=2004 |title=Uncinia lacustris |volume=2004 |page=e.T45154A10983743 |doi=10.2305/IUCN.UK.2004.RLTS.T45154A10983743.en |access-date=15 November 2021}}

| genus = Carex

| species = madida

| authority = J.R.Starr

| synonyms = * Uncinia lacustris G.A.Wheeler

}}

Carex madida is a species of plant in the family Cyperaceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical high-altitude grassland.