''Parmelia omphalodes'' is a species of

foliose lichen A foliose lichen is a lichen with flat, leaf-like , which are generally not firmly bonded to the substrate on which it grows. It is one of the three most common growth forms of lichens. It typically has distinct upper and lower surfaces, each o ...

in the family

Parmeliaceae The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2700 species in 71 genera, it is the largest family of lichen-forming fungi. The most speciose genera in the family are the well-known groups: '' Xanthoparmelia'' ( 82 ...

. It is one of the several dozen lichen species first described in 1753 by

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

. Swedish lichenologist

Erik Acharius Erik Acharius (10 October 1757 – 14 August 1819) was a Swedish botanist who pioneered the Taxonomy (biology), taxonomy of lichens and is known as the "father of lichenology". Acharius was famously the last pupil of Carl Linnaeus. Life Ac ...

transferred it to the genus '' Parmelia'' in 1803. The lichen is widely distributed, having been recorded in Asia, Africa, Europe, and North and South Americas. Morphologically similar–but genetically distinct–species include '' Parmelia discordans'' and '' P. pinnatifida''.

References

omphalodes ''Omphalodes'' (navelwort) is a genus of flowering plants in the family Boraginaceae. It includes eleven species native to Europe and western Asia. In spring they produce blue or white flowers similar to forget-me-nots. Both the Greek ''Omphalo ...

Lichen species Lichens described in 1753 Taxa named by Carl Linnaeus Lichens of Asia Lichens of Africa Lichens of Europe Lichens of North America Lichens of South America {{Parmeliaceae-stub