Punctelia perreticulata
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Punctelia perreticulata is a widely distributed species of foliose lichen in the family Parmeliaceae. It occurs in Mediterranean Europe and Russia, North America, South America, Australia, and New Zea
Punctelia perreticulata 831686
A closeup (30X magnification) of lobe tips. Note darkened lobe tips, scrobiculate surface texture, and some patches of soralia with granular soredia; scale bar is 1 mm.
Punctelia caseana
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Punctelia caseana is a species of foliose lichen in the family Parmeliaceae. Its range covers eastern North America, extending south to central and northern Mexico, where it grows on the bark of many
Punctelia perreticulata
…UV−. The cortex contains minor or trace amounts of atranorin and chloroatranorin, while the medulla contains lecanoric acid as a major lichen product. Punctelia caseana and P. subrudecta are two other Punctelia species with a pale lower thallus surface, and which produce gyrophoric acid in the medulla. Punctelia…
Punctelia caseana Flickr pellaea