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Usnea florida is a species of beard lichen in the family Parmeliaceae. It was first described by Carl Linnaeus in his 1753 work Species Plantarum. German botanist Friedrich Heinrich Wiggers transferred it to the genus Usnea in 1780. It is considered a threatened or vulnerable species in several European countries. [2]
The lichen was first formally described in 1885 by Swiss botanist Johannes Müller Argoviensis as Bottaria cruentata. [4] Richard Harris transferred it to the genus Pyrenula in 1987. [5] In northern North America, where its distribution in the United States is limited to southern Florida, it is commonly known as the bark rash lichen.
Florida is surrounded on three sides by bodies of water: the Gulf of Mexico to the west, Florida Bay to the south, and the Atlantic Ocean to the east. In addition to its coastal habitats, Florida has a variety of wetland habitats, such as marshland, swampland, lakes, springs, and rivers. Florida's largest river is the St. Johns River.
Florida reported 20 travel-related cases of Oropouche virus, nine of which were reported last week. This year, there have been more than 8,000 confirmed cases between January 1 and August 1 ...
Cladonia perforata is a rare species of lichen known as Florida perforate cladonia and Florida perforate reindeer lichen. It is endemic to the state of Florida in the United States, where it is known from 16 populations in four widely separated areas of the state. [ 2 ]
Lichen. Lichenology is the branch of mycology that studies the lichens, symbiotic organisms made up of an intimate symbiotic association of a microscopic alga (or a cyanobacterium) with a filamentous fungus.
The disappearance of lichens in a forest may indicate environmental stresses, such as high levels of sulfur dioxide, sulfur-based pollutants, and nitrogen oxides. The composition and total biomass of algal species in aquatic systems serve as an important metric for organic water pollution and nutrient loading such as nitrogen and phosphorus.
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