''Teloschistes chrysophthalmus'', often referred to as the gold-eye lichen or golden-eye, is a fruticose lichen with branching lobes. Their sexual structures, apothecia, are bright-orange with spiny projections (cilia) situated around the rim.Lichens: an illustrated guide to the British species, F. Dobson, The Richmond Publishing Co. Ltd., 2000. It has a global distribution, but is often localized and rare in many parts of its range. Colonies most often form along coastal areas. It is a twig species, meaning that it grows on twigs. It is rarely abundant. Several sites were discovered along the coast of England during 2012 and 2013, where the hosts include hawthorn and apple trees. In America it is known to grow on

California live oak ''Quercus agrifolia'', the California live oak, or coast live oak, is a highly variable, often evergreen oak tree, a type of live oak, native to the California Floristic Province. It may be shrubby, depending on age and growing location, but is g ...

, dwarf coyote brush, ''

Peritoma arborea ''Cleomella arborea'' syn. ''Peritoma arborea'' (formerly '' Isomeris arborea'', syn. '' Cleome isomeris''), is a perennial shrub or bush in the spiderflower family (Cleomaceae) known by the common names bladderpod, bladderpod spiderflower and bu ...

'', and

magnolia ''Magnolia'' is a large genus of about 210 to 340The number of species in the genus ''Magnolia'' depends on the taxonomic view that one takes up. Recent molecular and morphological research shows that former genera ''Talauma'', ''Dugandiodendro ...

s. This species has been studied for anti-viral secondary metabolites and was found to contain parietin which exhibits virucidal effects against certain arenaviruses ( Arenaviridae).

References

{{Authority control Teloschistales Lichen species Lichens described in 1771 Lichens of Europe Lichens of North America Taxa named by Carl Linnaeus