Acarospora fuscata
| Acarospora fuscata | |
|---|---|
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| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Acarosporales |
| Family: | Acarosporaceae |
| Genus: | Acarospora |
| Species: | A. fuscata
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| Binomial name | |
| Acarospora fuscata | |
| Synonyms[1] | |
Acarospora fuscata ("brown cobblestone lichen") is a glossy pale or yellowish-brown areolate lichen with angular areolas that grows up to 10 cm (4 in) wide on non-calcareous rock in low and high elevations.[2]: 217 [3] It grows in Europe and North America.[3] It grows in southern California and on the eastern part of the Sierra Nevada range.[2]: 217 It may grow with the areolas disconnected.[2]: 217 The areolas may lift at the edges, but the areolas do not overlap like true squamules (sub-squamulose).[2]: 217 More common in the Sierras is the similar species Acarospora thamnina, which is truly squamulose with overlapping scales.[2]: 217
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It usually has 0-1 apothecium per areole, which may be point-like (punctiform) or fill the entire areole with a disc that is rough surfaced and reddish brown. The asci are club shaped (clavate), with over 100 spores.[3] Lichen spot tests are K−, C+ vaguely pink, KC+ red, and P−.[2]: 217 [3] Secondary metabolites include gyrophoric acid.[3]
References
[edit]- ^ "Acarospora fuscata (Nyl.) Th. Fr". Species Fungorum. CAB International. Retrieved 2014-10-09.
- ^ a b c d e f Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
- ^ a b c d e Lichen Flora of the Greater Sonoran Desert Region. Vol 3., Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001, [1]
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