Plagiomnium medium

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Alpine thyme-moss
Scientific classification
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Bryidae
Order: Bryales
Family: Mniaceae
Genus: Plagiomnium
Species: P. medium
Binomial name
Plagiomnium medium
(Bruch & Schimp.) T.J.Kop.[1][2]

Plagiomnium medium, commonly known as Alpine thyme-moss[3] or intermediate plagiomnium moss,[4] 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.[5]

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.[6]


  1. ^ "Species & Habitat Detail: Plagiomnium medium" Biodiversity Scotland. Retrieved 5 July 2008.
  2. ^ "Plagiomnium medium" Retrieved 5 July 2008.
  3. ^ Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN 978-0-9561310-2-7. ISSN 0268-8034. 
  4. ^ "Plagiomnium intermedium". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 October 2015. 
  5. ^ Wyatt, Robert et al. (1988) "Allopolyploidy in bryophytes: Multiple origins of Plagiomnium medium" PNAS 85 pp. 5601-04. Retrieved 5 July 2008.
  6. ^ Rothero, Gordon "Bryophytes", in Shaw, Philip and Thompson, Des (eds.) (2006) The Nature of the Cairngorms: Diversity in a changing environment. Edinburgh. The Stationery Office. ISBN 0-11-497326-1. pp. 197-207.

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