I found this well formed tuft of Orthotrichum anomalum (Anomalous Bristle-moss / Gesteelde haarmuts) on a piece of manmade concrete - a typical habitat for this species which differs from most members of the genus in growing on rocks rather than trees. The dark reddish-brown ripe capsules are held well above low cushions of straight-leaved, green or brown shoots on 2–4 mm long setae: a distinctive appearance not shared by other common mosses, except Ulota species that grow on trees and shrubs. Mature capsules are reddish-brown, but light green when unripe. The calyptra is light brown and is sparsely hairy.
Ranst (Be) - 15/03/2010
© Johan Dierckx
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