Ochyra, R. 1987. The section Platyloma Broth. J. Hattori Bot. Hypnum lescurii Sullivant in A. Gray, Man. Branch leaves similar to stem leaves, but slightly smaller and narrower.
Capsules mature spring or early summer.
The mostly bistratose margins, filiform paraphyllia, and saxicolous substrate in streams and seeps distinguish this taxon. It bears superficial resemblance to Amblystegium varium , Donrichardsia macroneuron , Hygroamblystegium noterophilum , Hygroamblystegium tenax and Platyhypnidium riparioides , but none of these have the limbidia characteristic of Platylomella . A revision of Echinodium Jur. Crum, H. A. and L. E. Anderson. 1981. Mosses of Eastern North America.