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blemished lichen
Scientific Name: Phlyctis
Family: Phlyctidaceae
Category: Lichen
Growth:
Duration:
Other Names:
Phlyctis: The Blemished Lichen
Phlyctis is a fascinating genus of fungi belonging to the order Ostropales. Commonly known as "blemished lichens," these organisms often appear as spots or discolorations on the surfaces they inhabit.
Considerations for Skin Contact
- The term "blemished lichen" is sometimes associated with skin conditions like lichen planus and lichen sclerosus. While these are separate medical issues, the shared name might lead to confusion.
- Some extracts from lichens, such as Usnea, are used in blemish control products.
Taxonomy and Nomenclature
- Kingdom: Fungi
- Family: Phlyctidaceae
- Common Name: Blemished Lichen
One species is Phlyctis speirea G. Merr., with "blemished lichen" as a common name. Synonyms may exist, as indicated by "Synonyms: s text" in the provided text.
Another species is Phlyctis argena (Ach.) Flotow, also known as Whitewash Lichen and Blemished Lichen. An older name is Lichen agelaeus Ach.
Distribution and Habitat
- Phlyctis argena is a crustose lichen that typically grows on deciduous trees, particularly red maple, though it can also be found on conifers.
Morphological Characteristics
- Phlyctis species, being lichens, form a symbiotic relationship between a fungus and an alga or cyanobacterium.
- Some lichens, including Phlyctis, can appear as blemishes or discolorations on rocks or trees.
- Some may have orangey blemishes that fade over time.
Ecology
- Lichens, including Phlyctis, play a role in various ecosystems.
- A build-up of lichen near the shoot tips of apple trees can suggest low vigour.
Interactions with Other Organisms
- Lichens can be part of the habitat for rare fungus.
- Lichens are sometimes found in conjunction with mosses and other lichens.