Hypnum compressulum Müll.Hal.
Washington:
Possible type. "Herbarium. Chas. Mohr, Mobile"; "Revision of North American Mosses For Systematic Botany of N.A. Triptocladium compressulum CM dup type [?] C. Mohr. - Ex Hb. K. Müller. Examined by E. G. Britton". possible type.
R. D. Nevius s.n., 18 Nov 1878
NY, Barcode: 00913236