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cup lichen

Scientific Name: Cladonia decorticata

Family: Cladoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Pixie Cup Lichen and Other Cladonia Species

The genus Cladonia, commonly referred to as cup lichens, encompasses a diverse group of moss-like lichens within the family Cladoniaceae. These fascinating organisms are known for their unique cup-shaped structures and their significant ecological roles.

Considerations for Pets

  • Some *Cladonia* species can form upright fruiting stalks.

Considerations for Children

  • The "pixie cup" form gives the appearance of tiny cups.

Taxonomy and Nomenclature

  • Scientific Name: Cladonia
  • Common Name: Cup Lichen, Pixie Cup Lichen
  • Family: Cladoniaceae
  • Rank: Genus

Cladonia asahinae is one notable species within this genus, known as the Pixie Cup Lichen.

Distribution and Habitat

  • Cladonia species are found in various environments, including boreal forests and exposed subalpine sites.
  • They often grow on moss, logs, rocks, and at the base of trees.
  • Some species thrive in poor soils and on fallen logs.
  • Specific locations mentioned include the Eagle Creek Trail in the Columbia River Gorge and the Olympic Peninsula.

Ecological Role

  • Cladonia lichens serve as a primary food source for reindeer and caribou.

Morphological Characteristics and Growth Habits

  • Cladonia species exhibit a moss-like appearance.
  • They are characterized by cup-shaped structures, sometimes referred to as "podetia."
  • The pixie cup lichen has tiny cup-like structures, approximately 1/2 inch high.
  • Some species have funnel-shaped podetia that taper towards the base.
  • Fruiting stalks are upright.

Quirky Facts

  • The appearance of Cladonia podetia is sometimes likened to "Shrek's Ears" or miniature golf tees.

Interactions with Other Organisms

  • Lichens, including Cladonia, represent a symbiotic relationship between algae and fungus.
  • Cladonia asahinae specifically grows on moss, particularly Chorisodontium.
  • Some *Cladonia* species, such as Cladonia macilenta, can grow in colonies.

Traditional Uses

  • Historically, Cladonia has been boiled with milk or syrup and used as a remedy for whooping cough and chest ailments.