Acarospora veronensis is a medium brown to dark brown or black crustose lichen that grows up to 4 cm (1.6 in) wide.[2]: 221 [3] It is extremely variable in its growth forms, being verruculose, rimose, areolate, or squamulose.[2]: 221  It has 0.2–1.5 mm round to angular areoles which may be lobed, and may be contiguous or dispersed.[2]: 221  It grows on acidic rocks, basalt, and sometimes on wood.[2]: 221  It is one of the most common members of its genus in the Sonoran Desert region, common in Arizona, southern California, Baja California north and south, Sonora, to outside the region in Durango.[2]: 221  Each areole bears one to many 0.1–1 mm rounded to angular apothecia that are deeply immersed in the areole,[2]: 221  with a dull reddish-brown flat to convex disc.[2]: 221  Cylindrical asci have 100 or more ellipsoid ascospores.[2]: 221  Lichen spot tests are all negative, and it is UV-.[3] It is an indicator of undisturbed soil habitats.[3] Sometimes specimens may look like Acarospora strigata.[2]: 221 

Acarospora veronensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Acarosporales
Family: Acarosporaceae
Genus: Acarospora
Species:
A. veronensis
Binomial name
Acarospora veronensis
A.Massal. (1852)
Synonyms[1]
  • Acarospora magnussonii Samp. (1924)

References

edit
  1. ^ "Acarospora veronensis A. Massal". Species Fungorum. CAB International. Retrieved 2010-11-09.
  2. ^ a b c d e f g h i Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  3. ^ a b c Acarospora veronensis, Lichen Flora of the Greater Sonoran Desert Region. Vol 3., Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001, [1]