Coefficient of Conservatism:
Coefficient of Wetness:
Forests, often swampy ones, as along rivers, but also in drier sites.
The very slender glumes and the lemmas are usually conspicuously villous-hispid, although nearly smooth in f. arkansanus (Scribn. & C. R. Ball) Fernald; one Oakland Co. collection (O. A. Farwell 8582, MICH, BLH) appears to be this form, the leaves are glabrous also. The spikelets are nearly always only 1-flowered in E. villosus.