Rhytidiadelphus Squarrosus

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Rhytidiadelphus squarrosus Britain 1990–2013 2416 1950–1989 286 pre-1950 5 Ireland 1990–2013 590 1950–1989 180 pre-1950 4 robust moss with a wide ecological tolerance, occurring by heavy grazing and mowing, but is invariably absent from Aon all but the most acid soils in a variety of grassy reseeded and agriculturally improved fields. Altitudinal habitats, including sheep pastures, roadside and trackside range: 0–1170 m. verges, light woodland and scrub, dunes, streamsides, ditches and marshes. It also occurs among ericaceous shrubs Dioicous; capsules are rare in the lowlands but more and in flushed turf on heath and moorland. It is a very frequent in the north and west, mature in winter and early common species of lawns (where it attracts the attention and spring. Its ubiquity is remarkable, considering the rarity of often the disapproval of gardeners!), as well as churchyards, capsules and lack of gemmae. Presumably it is dispersed parkland and other places that are regularly mown and vegetatively by stem and leaf fragments. not heavily fertilised, and likewise it occurs in low-lying unimproved pastures. Regular associates include Lophocolea Plants from woodland often have a lax habit resembling bidentata, Brachythecium rutabulum, Calliergonella cuspidata, R. subpinnatus and the separation of the two species is Kindbergia praelonga and Pseudoscleropodium purum. It sometimes difficult. It is possible that there may be a few ascends to high altitudes in mountain grassland and Nardus recording errors in woodland habitats, but with little impact snowbeds, where associates include Hylocomium splendens, on the overall accuracy of the map. Pleurozium schreberi and Rhytidiadelphus loreus. It is favoured European Boreo-temperate. Widespread through most of 1200 Europe, including Iceland and Svalbard, but rare in the boreal <1% and Arctic zones, and absent in the Mediterranean lowlands. 1000 1–10% Azores, Madeira. Turkey, Georgia to Kazakhstan. S Siberia, >10% E Asia. Greenland, Newfoundland, north-western N America. 800 Tasmania, New Zealand (introduced). 600 N.G. Hodgetts, rev. T.L. Blockeel Altitude (m) 400 200 0 0 200 400 600 800 1000 1200 Distance north (km) Atlas of British & Irish Bryophytes (2) 559 .

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