Lobaria quercizans

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Lobaria quercizans
Lobaria quercizans 83606.jpg
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Peltigerales
Family: Lobariaceae
Genus: Lobaria
Species: L. quercizans
Binomial name
Lobaria quercizans
Michx. (1803)

Parmelia quercizans (Michx.) Ach. (1810)
Ricasolia quercizans (Michx.) Stizenb. (1895)
Sticta quercizans (Michx.) Ach.

Lobaria quercizans, commonly known as the smooth lungwort, is a macrolichen. It forms large, smooth, grey (pale green when wet) growths which often have abundant red-brown apothecia.


Most records are from eastern North America but there are also isolated probable location records from South America (Bolivia), eastern Asia (China, Korea, Russian Manchuria).[1] In eastern North America it is found from Newfoundland to northern Georgia and west to eastern Minnesota. An outlying population is found in the Ouachita Mountains.


In eastern North America, L. quercizans is found primarily on the bark of deciduous trees, usually maples (Acer species). In the southern parts of its range A. saccharum (sugar maple) is preferred. Further north, where there is less A. saccharum, A. rubrum (red maple) is favoured.


The lichen is used for food and medicine by the Menomini people of Wisconsin.[2]


  1. ^ "GBIF Data Portal". 
  2. ^ Brodo, I.M.; Sharnoff, S.D. & Sharnoff, S. (2001), Lichens of North America, New Haven: Yale University Press, ISBN 0-300-08249-5 

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