Polytrichum juniperinum

Polytrichum juniperinum Hedw. Engl.: juniper polytrichum moss, bear's bed, ground moss, hair cap moss, robin's rye. Deu.: Wacholder Widertonmoos. Suom.: kangaskarhunsammal, karhunsammal. Sven.: enbjörnmossa, björnmossa. Pharm.: herba adianthi aurei.

Polytrichum.

Classic texts: Scudder's Materia Medica, 1898: Diuretics.

Polytrichum.

Classic texts: USDisp 1918.

Hair-cap moss.

Henriette's herbal blog: Want a really effective diuretic? Look at the green stuff under your feet.