Trans. Linn. Soc. London 10: 395, plate 31, fig. 4. 1811,
Illustrator: Patricia M. Eckel
Habitat: Wet rocks in streams, snow flushes, seeping outcrops
Elevation: moderate to high elevations
Greenland, B.C., Nfld. and Labr. (Nfld.), Yukon, Alaska, Calif., Oreg., Wash., Europe, Asia (Japan, Russia).
The salient distinguishing traits of Andreaea nivalis are the crenulate to strongly denticulate leaf margins, strong papillae occurring mostly on the abaxial surface of the lamina, and perichaetial leaves larger, more sharply cordate at the basal angles, but otherwise not much different from the cauline leaves.