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Swamps, bogs, often on Sphagnum hummocks.
Acrocarpous moss in dense tufts of erect stems to 16 cm high, matted with rhizoids up to the stems. Leaves erect-spreading, more erect when dry, not awn-tipped; the upper surface covered by green lamellae and covered somewhat by infolded leaf margins; leaf margins entire, inflexed above the shoulders and covering the lamellae. Dioicous. Setae 2-6 cm long; capsules horizontal or somewhat erect, to 3 mm long, dark brown and somewhat glaucous; annulus absent.
Common on sterile soil in areas with a history of fire. Similar to P. juniperinum but lacking a reddish awn at the leaf tips, and has been called P. juniperinum var. affine (Funkck) Brid.
Crum, H. 2004. Mosses of the Great Lakes Forest, 4th ed.
The University of Michigan Herbarium. Ann Arbor, MI
Michael Hough © 2009