[4] Its range of distribution includes Nunavut, Ontario, Quebec, Newfoundland and Labrador, and Nova Scotia in Canada.

[4] The soil in this area has a pH of 3.1 to 4, and is low in nitrogen and phosphorus, but high in organic matter content.

[6] Geocarpon groenlandicum was studied for use on roof tops for insulation and urban greenery but was unable to tolerate drought for long enough to be used successfully.

[9] In Nova Scotia the Greenland stitchwort is sensitive to interference by humans and natural events.

[10] It is listed as endangered in Connecticut,[11] and Maryland, as threatened in Kentucky, New Hampshire, New York (state), Pennsylvania, and Rhode Island, and as a special concern in Maine.