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Acarospora veronensis
Description
Description
A small brown to almost black crust with scattered or clustered areoles. Its tiny, reddish-brown apothecia remain immersed and may resemble shallow pits.
Source: ITALIC — Acarospora veronensis
Chemistry
Chemistry
Cortex and medulla: K−, C−, KC−, P−, UV−. No characteristic lichen substances are reported.
Source: ITALIC — Acarospora veronensis
Habitat and Substrate
Habitat and Substrate
An early coloniser of siliceous pebbles, tiles and walls, especially base-rich surfaces; occasionally recorded on wood or soil.
Source: ITALIC — Acarospora veronensis
Similar Species
Similar Species
Compare Acarospora intermedia and other small brown Acarospora species. Immature material can be difficult to separate.
Sources: ITALIC; BLS identification revision
How to Identify
How to Identify
Use the Acarospora key; examine cortex thickness, the true exciple and the hymenial iodine reaction.
Source: BLS identification revision
Important Links
Important Links
ITALIC — description, chemistry and images
British Lichen Society — species account and British distribution
GBIF — taxonomy and global occurrence records
AFL — species account and photographs
Lichens maritimes — species account
Identification Bibliography
Identification Bibliography
For identification, use the relevant key and compare the microscopic characters and chemical reactions. Photographs alone may be insufficient for closely similar crustose species.
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