LichenIreland
  • Usnea articulata (L.) Hoffm.
Usnea articulata
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Nicknamed the ‘string of sausages lichen’, it is easy to see why. This pollution-sensitive, smooth-branched ‘beard’ lichen is one of the most bizarre of Ireland’s shrubby species with a combination of inflated and stringy branches. Colonies can grow to half a metre or more in length. Sometimes they almost resemble the roots of a shallow rooting tree. It really cannot be confused with any other Usnea. U. cornuta has only slightly swollen branches. Local: in southern half of Ireland.

Key characteristics

  • Thallus long, pendulous and straggling
  • Branches swollen like a ‘string of sausages’; without soredia.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Usnea articulata (L.) Hoffm.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=19134 Accessed on 2017-12-18.