From Flora of Indiana (1940) by Charles C. Deam

The two varieties of Melampyrum are very rare in Indiana. This one is the more frequent and is found in moist, slightly acid soil, usually at the bases of slopes and often associated with Polygala cruciata, Aureolaria pedicularia var. ambigens, and Aletris farinosa.

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Indiana Coefficient of Conservatism: C = 10

Wetland Indicator Status: FAC