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dot lichen
Scientific Name: Arthonia platygraphidea
Family: Arthoniaceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Dot Lichen
The term "Dot Lichen" is a common name applied to lichens belonging to the genera Arthonia or Micarea. The term "Dotted lichens" refers to lichens in the genus Bacidia.
Taxonomy and Nomenclature
- Group: Lichen
- Family: Arthoniaceae (for Arthonia and some Micarea species) and Icmadophilaceae (for Dibaeis absoluta)
- Kingdom: Fungi (for City Dot Lichen Scoliciosporum chlorococcum)
- Phylum: Ascomycota (for City Dot Lichen Scoliciosporum chlorococcum)
- Class: Lecanoromycetes (for City Dot Lichen Scoliciosporum chlorococcum)
- Order: Unspecified (for genera Arthonia and Micarea)
- Synonyms: Bacidia chlorococca (synonym for City Dot Lichen Scoliciosporum chlorococcum)
Distribution and Habitat
- One source notes Dot Lichens being abundant in the New Orleans area.
- One lichen grows on rocks in Mt. Rainier National Park.
- One Dot Lichen species (Arthonia rubella) is found on Palm tree bark in Bahia Honda Key, Florida, USA.
Morphological Characteristics and Growth Habits
- Mycobilimbia pilularis, known as 'Dot Lichen', is a crustose lichen with a grayish-green thallus.
- Mycobilimbia pilularis does not have soredia or isidia.
- Mycobilimbia pilularis has yellowy brown biatorine, convex apothecia.
- DIBAEIS ABSOLUTA (Pink Dot Lichen) has pink apothecia born on very short stalks (ca. 1 mm).
Interactions with Other Organisms
- Some Dot Lichens grow on tree bark.
Resources and Further Information
- Encyclopedia of Life
- Catalogue of Life: 2012 Annual Checklist
- MO (likely referring to the Missouri Botanical Garden)
- ToL (Tree of Life Web Project)
- BHL (Biodiversity Heritage Library)
- WikiSpecies
- USDA
- Smithsonian Institution, National Museum of Natural History, Department of Botany
- ResearchGate