United States, Missouri, Wayne, Mark Twain National Forest, E of gravel FS road, ca 1/2 mi N of Hwy 172, ca 1/4 mi E of Hwy 67 and ca 1 3/4 mi N of Butler Co line. Salem Plateau of Interior Highlands
160 meters
525 ft.
large patch growing on shaded (Acer rubrum), wet soil at edge of standing water, bottom of old sinkhole in upland oak-hickory forest