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Discovery of two rare bog mosses made on mid-Wales reserve - Natural Resources Wales

Two extremely rare species of bog mosses have been found on a mid-Wales reserve managed by Natural Resources Wales (NRW).

Baltic Bog-moss (Sphagnum balticum) was recently re-discovered on Cors Caron National Nature Reserve (NNR) in Ceredigion for the first time since 1967.

The population was found growing on areas of the bog that is wet and spongy – ideal habitat for important bog mosses.

Baltic bog-moss is classified as rare in Britain and was last recorded on Cors Caron over 50 years ago. It can be found on just five sites in Britain, as it is usually only found in sub-Arctic areas with a ‘continental’ climate like Scandinavia, Siberia and the Shetland Isles.

Golden Bog-moss (Sphagnum pulchrum) was also found at Cors Caron NNR, another species not recorded on the reserve for over 50 years. This is its most southerly known location of the moss in the UK.

Golden Bog-moss prefers a more continental climate but has a more widespread distribution in the UK than Baltic bog-moss, and in Wales is known on a handful of sites including a large population at Cors Fochno, which is part of the Dyfi National Nature Reserve near Borth.

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