LichenIreland
  • Parmelina tiliacea (Hoffm.) Hale
Parmelina tiliacea
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This lichen should be compared very closely with P. pastillifera (described elsewhere) which is almost identical and found in similar habitats. P. tiliacea has a slightly bluer thallus and may have some frosting on the lobes. The isidia are pale brown (not blackened), cylindrical or coralloid and are not attached to a short stalk. Discs are rare. Occasional; southern and south-east Ireland.

Key characteristics

  • Blue-grey thallus with some frosting on the lobes; densely isidiate
  • Unstalked, coralloid, pale brown isidia.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Parmelina tiliacea (Hoffm.) Hale. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18907 Accessed on 2017-10-18.