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black pyrenothrix lichen
Scientific Name: Pyrenothrix nigra
Family: Pyrenotrichaceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Black Pyrenothrix Lichen (Pyrenothrix nigra)
Pyrenothrix nigra, commonly known as black pyrenothrix lichen, is a fascinating lichen species belonging to the Pyrenotrichaceae family.
Considerations for Pets
- The text indicates that Black Pyrenothrix Lichen is not safe for dogs.
Considerations for Children
- The text indicates that Black Pyrenothrix Lichen is not safe for children.
Taxonomy and Nomenclature
- Scientific Name: Pyrenothrix nigra Riddle
- Common Name: Black pyrenothrix lichen
- Rank: Species
- Family: Pyrenotrichaceae
- Synonym: Lichenothrix riddlei Henssen
Morphology and Identification
- The thallus (lichen body) is brownish-black.
- It spreads over the substratum.
- It is a filamentous, cyanophilic lichen.
- Individual filaments are brown or black, 17–32 x 6–9 um, and slightly constricted at the transverse septa.
Habitat and Distribution
- It has been found growing on coconut palm trees along the coast in Tobago, West Indies.
- It is also found in seasonally arid habitats, including those in Armenia.
Ecological Role
- Pyrenothrix nigra is a cyanolichen, meaning it contains cyanobacteria as a primary component.
- It can form black, felt-like patches.
- It can grow on limestone.
Interactions with Other Organisms
- It is a lichen, which is a composite organism formed by a symbiotic relationship between a fungus (mycobiont) and algae or cyanobacteria (photobiont).
- The photobiont in Pyrenothrix nigra is Scytonema.
Further Information
- Information about this lichen can be found in the MyTreeDB database.
- Original description published in Riddle, L.W. (1917) Pyrenothrix nigra gen. et spec. nov.