Physaria geyeri subsp. purpurea merupakan tumbuhan menahun dari famili Brassicaceae (suku sawi-sawian). Tumbuhan ini berasal dari bioma beriklim dingin (subalpin atau subarktik) di wilayah Idaho. Nama ilmiah Physaria geyeri subsp. purpurea pertama kali dipublikasikan oleh botanis Reed Clark Rollins pada tahun 2007.
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Referensi
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.
