Polytrichum commune

Polytrichum commune is the largest unbranched moss in Western Canada It has capsules that are often square in cross section and are borne on wiry setae up to 10 cm long. The calyptrae are very hairy. Polytrichopsida, Polytrichidae, Polytrichales, Polytrichaceae, West Bragg Creek, Kananaskis Country, 5556August_20__2010

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