Growing on clacareous rocks.
Here are the steps used in the key of the British Flora for the determination of the species:
- Thallus small-squamulose; minutely foliose or minutely shrubby with cylindrical lobes;
- Thallus heavily wrinkled when dry, thick;
- Centre of thallus of loosely interwoven hyphae;
- Upper surface matt, dark brown;
- On moist rocks.
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Created: 2012-08-30 18:32:28 EDT (-0400)
Last modified: 2012-08-30 18:32:32 EDT (-0400)
Viewed: 20 times, last viewed: 2017-06-14 00:22:54 EDT (-0400)