Carex alba

{{Short description|Species of plant in the sedge family}}

{{Speciesbox

| image = Carex alba sl15.jpg

| image_caption = Habit

| image2 = Carex alba illustration (01) (cropped).jpg

| image2_caption = Botanical illustration

| genus = Carex

| species = alba

| authority = Scop.

| synonyms = {{Species list | hidden = yes

| Carex ajanensis | Vorosch.

| Carex alba f. aprica | Kük.

| Carex argentea | J.F.Gmel.

| Carex argentea | Vill.

| Carex duerrnbergeri | Ritzb.

| Carex inclusa | Turcz. ex Boott

| Carex nemorosa | Schrank

}}

| synonyms_ref =

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Carex alba, called the small white sedge, white-flowered sedge or just white sedge (a name it shares with other members of its genus), is a species of sedge in the family Cyperaceae.{{cite web |url=https://gd.eppo.int/taxon/CRXAA |title=Carex alba (CRXAA) |author= |date=2022 |website=EPPO Global Database |publisher=European and Mediterranean Plant Protection Organization |access-date=3 February 2022 }} It is typically found in temperate forests of Eurasia, from the Pyrenees to the Russian Far East.{{cite POWO |id=30265209-2 |title=Carex alba |access-date=30 October 2024}} It is the main host plant for the woodland brown butterfly, Lopinga achine.{{cite journal |title=Modern forest management and the decline of the Woodland Brown (Lopinga achine) in Central Europe |year=2012 |last1=Streitberger |first1=Merle |last2=Hermann |first2=Gabriel |last3=Kraus |first3=Wolfgang |last4=Fartmann |first4=Thomas |journal=Forest Ecology and Management |volume=269 |pages=239–248 |doi=10.1016/j.foreco.2011.12.028 }}