Campanula uniflora

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = Campanula uniflora upernavik 2007-07-11 1.jpg

| image_caption = In Upernavik, Greenland

| status = {{TNCStatus}}

| status_system = TNC

| status_ref =

| genus = Campanula

| species = uniflora

| authority = L.

}}

Campanula uniflora, known commonly as arctic bellflower and arctic harebell,{{cite web |last1=NatureServe |title=Campanula parryi |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.129861/Campanula_parryi |website=NatureServe Explorer |publisher=NatureServe |access-date=1 May 2023 |location=Arlington, Virginia |date=2023}} is a short and slender rhizomatous perennial in the bellflower family Campanulaceae. It is distributed in arctic North America, including the Rocky Mountains and Greenland, in the Asian part of Beringia and in Iceland, Svalbard, the Scandes Mountains and Novaja Zemlja.

The species was first discovered by Linnaeus on his 1732 expedition to Lapland and described in his Flora Lapponica (1737).{{cite web | title=Den virtuella floran - Fjällklocka | url=http://linnaeus.nrm.se/flora/di/campanula/campa/campuni.html | publisher=Swedish Museum of Natural History | language=Swedish | accessdate=4 March 2010}}

In Iceland, Campanula uniflora is a host of the common pathogenic fungus Pleospora herbarum.