Tags: Moss.
Plagiomnium medium commonly known as Alpine thyme-moss is a moss found in montane habitats in the Northern Hemisphere.Research published in 1988 showed that is a hybrid of P. ellipticum and P. insigne via an allopolyploid process previously considered to be absent in bryophyte evolution.In the UK it is classified as near threatened. More than 10% of all UK populations occur in the Cairngorms National Park in Scotland including sites in the Lairig Ghru and on the plateau of Lochnagar.