LichenIreland
  • Fuscidea recensa "(Stirt.) Hertel, V.Wirth & Vězda "
Fuscidea recensa
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Of the acid rock-loving Fuscideas this, along with F. cyathoides var. cyathoides, is perhaps the most common. Usually without discs, it is easily identified by the abundant greyish soralia which crowd the centre of the thallus. All spot tests are negative. It grows on hard, siliceous rocks and on acid conglomerates. The sides of large boulders are a frequent site for it. It is widely scattered so is probably much under-recorded in Ireland.

Key characteristics

  • Small grey thallus crowded with brownish soralia and surrounded by a dark line of prothallus. Spot tests negative
  • Hard acid rocks in upland areas.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Fuscidea recensa "(Stirt.) Hertel, V.Wirth & Vězda ". [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18498 Accessed on 2017-11-18.