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Scalp fungus is often referred to as scalp ringworm. Despite its name, there’s no worm involved — instead, this type of infection is caused entirely by contagious fungi.
Usnea can be distinguished from similar-looking fruticose lichen genera such as Evernia and Ramalina by several key features. While these other genera also grow as gray-green or yellow-green tufts on trees, they typically have flatter, less extensively branched thalli and lack the distinctive elastic, cartilaginous central axis that ...
Usnea hirta is a species of beard lichen in the family Parmeliaceae. It was one of 80 lichen species first formally described by Carl Linnaeus in his 1753 work Species Plantarum . Friedrich Heinrich Wiggers transferred it to the genus Usnea in 1780. [ 2 ]
Other symptoms to note: This rash is itchy and can cause hair loss when it occurs on the scalp. The same fungus can also cause athlete’s foot and jock itch. The same fungus can also cause ...
The Parmeliaceae is a large and diverse family of Lecanoromycetes.With over 2700 species [2] 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 (822 species), Usnea (355 species), Parmotrema (255 species), and Hypotrachyna (262 species).
Here are the most common scalp conditions, with photos and treatments. Want to know what that bump, sore, scabs or red irritation on your scalp means? Here are the most common scalp conditions ...
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]
Growing on a conifer in the hills north of Mount St. Helens, showing the leaf-like side-branches and pendent "stems", some of them several metres long. Dolichousnea longissima (syn. Usnea longissima), [2] [3] commonly known by the names old man's beard or Methuselah's beard lichen, is a fruticose lichen in the family Parmeliaceae.