| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Idaho | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Washington | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Ciudad de México | | Balslev, H. 1996. Juncaceae. Fl. Neotrop. Monogr. 68:97. |
| 1 | Native | Northern America | Southern Mexico | Mexico | México | | Balslev, H. 1996. Juncaceae. Fl. Neotrop. Monogr. 68:97. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Puebla | | Balslev, H. 1996. Juncaceae. Fl. Neotrop. Monogr. 68:97. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Tlaxcala | | Balslev, H. 1996. Juncaceae. Fl. Neotrop. Monogr. 68:97. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Arizona | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Nevada | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Utah | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Subarctic America | Canada | Northwest Territories | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Subarctic America | Canada | Yukon | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Subarctic America | Greenland | | s. | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Subarctic America | United States | Alaska | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Western Canada | Canada | Alberta | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Western Canada | Canada | Manitoba | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Northern America | Western Canada | Canada | Saskatchewan | | FNA Editorial Committee. 1993-. Flora of North America. Note: = Juncus arcticus var. balticus (Willd.) Trautv. |
| 1 | Native | Southern America | Central America | Guatemala | | | Balslev, H. 1996. Juncaceae. Fl. Neotrop. Monogr. 68:97. |