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eggyolk lichen

Scientific Name: Candelariella efflorescens

Family: Candelariaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Candelariella: The Eggyolk Lichen

Discover the fascinating world of Candelariella, a genus of lichens commonly known as eggyolk lichens, goldspeck lichens, or yolk lichens. These lichens belong to the Lecanoraceae family and are known for their vibrant yellow color.

Considerations for Pets

  • This lichen commonly grows on tree bark, rocks, and old wood.

Taxonomy and Nomenclature

  • Scientific Name: Candelariella
  • Family: Lecanoraceae (also mentioned as Candelariaceae)
  • Common Names: Eggyolk lichen, goldspeck lichen, yolk lichen
  • Symbol: CANDE3

Species

  • Candelariella aurella (Hidden goldspeck lichen, eggyolk lichen)
  • Candelariella arctica (Arctic Eggyolk Lichen)
  • Candelariella athallina (Eggyolk Lichen)
  • Candelariella vitellina (Eggyolk Lichen)
  • Candelariella rosulans (Egg Yolk Lichen)
  • Candelariella terrigena (Eggyolk Lichen)
  • Candelariella spraguei (Sprague's eggyolk lichen)
  • Candelariella dispersa (Dispersed eggyolk lichen)
  • Candelariella deflexa (Deflexed eggyolk lichen)
  • Candelariella xanthostigma ('Eggyolk Lichen')
  • Candelariella placodizans (Sliturglta)

Distribution and Habitat

  • Candelariella aurella is commonly found on calcareous substrates.
  • Candelariella vitellina is a common lichen in Michigan, growing on rock, bark, or old wood.
  • Candelariella vitellina is native to Waterloo.
  • Some species have been observed at locations such as Molonglo Gorge and Carderick Recreation Area, MD.

Morphological Characteristics

  • Candelariella are crustose or squamulose lichens.
  • Candelariella xanthostigma is a canary yellow, crustose lichen with a thallus consisting of minute granules (up to 0.1mm).

Ecological Role

  • Candelariella vitellina has a moderate pollution tolerance and indicates mediocre air quality.
  • This lichen needs nitrogen to survive, typically thriving under each bird perch. Each colony takes 100 years to reach the diameter of a fried egg yolk.

Quirky Facts

  • Under black light, a bone-white lichen may appear a startling egg-yolk yellow.
  • Some chefs are using lichen in dishes such as "crispy lichen" and cep ice cream juniper roasted autumn apple puree, dried organic egg yolk.

Further Resources

  • APHOTOFUNGI - Photographic Stock Library
  • Catalogue of Life: 2012 Annual Checklist