About:
A foliose lichen with grey-green lobes and numerous reproductive structures, growing up to 12 cm wide.
Habitat:
Found in the Eastern United States, particularly in the Southeast. It's range spans from Texas to Minnesota and eastward towards the coast. It can be found on branches and is very rarely found on rocks.
History:
First described by Mason E. Hale in 1974.
Structure:
Parmotrema margaritatum is a grey-green foliose lichen with unciliated lobes and densely packed soredia on the outer edges of the lobes. Lobes are curled and rippled, lifting off at the edges where it is moderately attached to the surface it resides on.
Fun Fact!
-The genus Parmotrema is also known as the ruffle lichens, due to their lobes having lifted edges, similar to ruffles on fabric.
Reference List:
-Parmotrema margaritatum. Consortium of North American Lichen Herbaria. [accessed 2020 May 4]. https://lichenportal.org/cnalh/taxa/index.php?taxon=Parmotrema+margaritatum&formsubmit=Search+Terms
-Parmotrema margaritatum. Consortium of North American Lichen Herbaria. CNALH - Google Map. [accessed 2020 May 4]. https://lichenportal.org/cnalh/collections/map/googlemap.php?usethes=1&taxa=54556
-Parmotrema margaritatum. MycoBank. [accessed 2020 May 4]. http://www.mycobank.org/name/Parmotrema%20margaritatum&Lang=Eng