United States, Minnesota, Todd, Northeast of Mud Lake, two miles east-southeast of Philbrook, four miles south-southwest of Motley. S1/2 of NE1/4 of NE1/4 of section;Philbrook Wildlife Management Area;132N;32W;02
46.274879 -94.679233 +-800m. WGS84
Rather strongly-rolling sandy moraine ... on moderately steep, 50-foot, south-facing slope ... small (~2-acre) savanna-like opening along two-track road through dry oak woodland. Full sun to partial shade of Quercus ellipsoidalis and Pinus banksiana. Sandy soil. Additional associates include Sorghastrum nutans, Liatris aspera, Solidago rigida, Petalostemum purpureum, P. candidum, Artemisia campestris, Heliianthemum bicknellii, Conyza canadensis, Lespedeza capitata, Rubus allegheniensis.