Mapledust Lichen Lecanora thysanophora Harris    
Kingdom Fungi   >   Phylum Ascomycota   >   Class Lecanoromycetes   >   Order Lecanorales   >   Family Lecanoraceae   >   Genus Lecanora   

Status:

A rather common leprose lichen that has an interesting history. It was originally introduced by R. C. Harris in 1977 and subsequently appeared in a number of publications, but was not officially described until 2000. (L. Biechele, pers. comm.)

Description:

Its distinctive greenish thallus, appearing bluish in the shade, forms thin, continuous sheets on the bark of trees with a conspicuous white prothallus, forming a pruinose fringe along the edges of the lichen. Apothecia are rare (R. C. Harris, et al., The Bryologist, 2000). (L. Biechele, pers. comm.)

There are 10 records in the project database.

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Mapledust Lichen in Baltimore Co., Maryland (2/6/2021). (c) wildluker, some rights reserved (CC BY-NC). Photo by wildluker via iNaturalist. (MBP list)

A Mapledust Lichen on American Holly in Worcester Co., Maryland (11/27/2014). Photo by Lance Biechele. (MBP list)

A Mapledust Lichen on American Holly in Worcester Co., Maryland (11/27/2014). Photo by Lance Biechele. (MBP list)

Mapledust Lichen in Anne Arundel Co., Maryland (2/21/2017). Photo by Tyler Bell. (MBP list)


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