]> GH barcode-01573767 Canada Northwest Territories Mackenzie River: Limestone hills north of Campbell Lake, east of Point Separation Physaria arctica (Wormskjold ex Hornemann) O'Kane & Al-Shehbaz (Wormskjold ex Hornemann) O'Kane & Al-Shehbaz 2020-12-11 10:27:10 A. E. Porsild & R. T. Porsild