LichenIreland
  • Arthonia ilicinella Nyl.
Arthonia ilicinella
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(Map updated: 11 August 2009)

A. ilicinella resembles A. ilicina (described elsewhere); it is the least common of the two oceanic species with a narrower range of smooth-barked hosts. A. ilicinella grows mainly on hazel and has smaller discs (0.1-0.6mm diam. compared with 0.2-1mm diam.) and smaller spores (16-23ųm long compared with 26-36ųm long) than its relative. In Ireland, it is known from Counties Kerry and Donegal, but is easily overlooked in the field.

Key characteristics

  • Easily mistaken for A. ilicina which has larger discs and spores
  • Grows on hazel in the oceanic woods of the west.

Original text submitted by Vince J. Giavarini

 
 Simms, M. J., (2016). Arthonia ilicinella Nyl.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=15502 Accessed on 2018-09-25.