SafePlants

No images found for this plant ID: 2750.

Ensure images are uploaded to the Media Library and tagged with "2750" in the "plant_image_tag" taxonomy.

Safe for Children?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Dogs?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Cats?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Reptiles?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

dot lichen

Scientific Name: Arthonia caesia

Family: Arthoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Dot Lichen

The common name "Dot Lichen" refers to lichens in the genera Arthonia or Micarea. "Dotted lichens" may specifically refer to lichens in the genus Bacidia.

Taxonomy and Nomenclature

  • Family: Arthoniaceae (for Arthonia and likely other "dot lichens")
  • Genus: Arthonia, Micarea, Bacidia, etc.
  • Synonyms/Alternative Names: Bacidia chlorococca for City Dot Lichen (Scoliciosporum chlorococcum)

Distribution and Habitat

  • One of the most abundant lichens in the New Orleans area.
  • Found on palm tree bark in Bahia Honda Key, Florida, USA.
  • Observed on rocks in Mt. Rainier National Park.

Morphological Characteristics

  • Mycobilimbia pilularis (Dot Lichen) is a crustose lichen with a grayish-green thallus without soredia or isidia, and 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

  • Grows on palm tree bark.

Resources and Further Information

  • Encyclopedia of Life
  • Catalogue of Life
  • USDA
  • Smithsonian Institution, National Museum of Natural History, Department of Botany
  • ResearchGate