Flavoparmelia caperata

Common greenshield lichen
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Parmeliaceae
Genus: Flavoparmelia
Species: F. caperata
Binomial name
Flavoparmelia caperata
(L.) Hale (1986)
Synonyms[1]

Lichen caperatus L. (1753)
Platisma caperatum (L.) Hoffm. (1794)
Lobaria caperata (L.) Hoffm. (1796)
Parmelia caperata (L.) Ach. (1803)
Imbricaria caperata (L.) DC. (1805)
Parmotrema caperata (L.) M.Choisy (1952)
Pseudoparmelia caperata (L.) Hale (1974)

Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. The lower surface is black except for a brown margin; rhizomes attached to the lower surface are black and unbranched.

Lichen chemistry

Cortex, PD-, K-, KC+ yellowish, C- (usnic acid).
Medulla, PD+ red-orange, K-, KC+ pink, C- (protocetraric acid, caperatic acid and atranorin).

Habitat

On bark of trees, but occasionally on rock.

Similar species

The very similar Flavoparmelia baltimorensis grows mainly on rock and has globose, pustular outgrowths (somewhat similar to isidia) on the upper surface of the lobes, but does not produce granular soredia.

Lichen checklists containing Flavoparmelia caperata

Images of Flavoparmelia caperata on the internet

References

  1. "Flavoparmelia caperata (L.) Hale 1986". MycoBank. International Mycological Association. Retrieved 2011-05-13.

External links

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