Umbilicaria americana
Umbilicaria americana | |
---|---|
U. americana growing on rock faces | |
Scientific classification | |
Kingdom: | Fungi |
Division: | Ascomycota |
Class: | Lecanoromycetes |
Family: | Umbilicariaceae |
Genus: | Umbilicaria |
Species: | U. americana |
Binomial name | |
Umbilicaria americana | |
Umbilicaria americana, commonly known as Frosted Rock Tripe, is a foliose lichen of rock faces.
Description
U. americana has been described as looking like "grayish-white potato chips."[1] The upper surface is gray with the appearance of white dusting. The lower surface is black. The lobes are 2 to 7 cm in diameter.[2]
References
- ↑ "Rocky Mountain National Park- Umbilicaria americana (U.S. National Park Service)." Jul 14, 2007.http://www.nps.gov/romo/umbilicaria_americana.htm (accessed Dec 17, 2008).
- ↑ Walewski, Joe (2007). Lichens of the North Woods. City: Kollath-Stensaas. ISBN 0-9792006-0-1.
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