LichenIreland
  • Toninia aromatica (Sm.) A.Massal.
Toninia aromatica
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Despite its name this species is not fragrant. The habitat can be easily located even in busy settlements as it is fairly common on calcareous substrata, especially lime mortar. Structures such as walls, bridges and old farm buildings are good hunting grounds. Compared with other crustose lichens the white-flecked, scaly grey to green-brown thallus and black, compressed discs may appear somewhat squashed or flattened.

Key characteristics

  • Thallus of small, compressed scaly warts flecked with white
  • Discs black, flat (like putty squashed under a thumb).

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Toninia aromatica (Sm.) A.Massal.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=19088 Accessed on 2017-12-11.