Braya humilis subsp. maccallae merupakan tumbuhan menahun dari famili Brassicaceae (suku sawi-sawian). Tumbuhan ini berasal dari bioma beriklim dingin (subalpin atau subarktik) di wilayah Kanada barat. Nama ilmiah Braya humilis subsp. maccallae mulai dipublikasikan pada tahun 2006.
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
USDA - NRCS (2024). "United States Department of Agriculture - Natural Resources Conservation Service", Plant Profile.
