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cup lichen

Scientific Name: Cladonia crispata

Family: Cladoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Cladonia (Cup Lichen)

Cladonia, commonly known as cup lichen or pixie cup lichen, is a fascinating genus of moss-like lichens belonging to the family Cladoniaceae.

Considerations for Pets

  • The text mentions that some species grow on moss and decaying logs, habitats that might be attractive to pets.
  • The "pixie cup" shape, typically a small cup (approximately 1/2 inch high), might be investigated or consumed by small animals, if accessible.

Considerations for Children

  • The "pixie cup" shape, resembling miniature cups or golf tees, might attract the attention of children, encouraging them to touch or pick the lichen.

Scientific Classification and Nomenclature

  • Scientific Name: Cladonia
  • Common Names: Cup lichen, Pixie cup lichen
  • Family: Cladoniaceae

Distribution and Habitat

  • Cladonia species are found across various habitats, including mossy areas, forest floors, logs, rock outcrops, and subalpine sites with poor soils.
  • They are particularly common in boreal forests.
  • Specific locations mentioned include the Olympic Peninsula, the Pocono Mountains, and the Columbia River Gorge (Eagle Creek Trail).

Morphological Characteristics and Growth Habits

  • Cladonia species are described as moss-like lichens.
  • They often have cup-shaped structures, called podetia, that can vary in shape and size. Some resemble miniature golf tees.
  • The podetia may be funnel-shaped, tapering towards the base.
  • Some species feature upright fruiting stalks.
  • The exterior of the podetia can be covered with corticate granules.

Ecological Role

  • Cladonia species are a primary food source for reindeer and caribou.

Interactions with Other Organisms

  • As lichens, Cladonia are symbiotic relationships between algae and fungi.
  • They can grow among mosses.
  • Some species, like Cladonia macilenta, can be found growing within colonies of other lichens, such as Brachythecium frigidum.

Quirky Facts

  • Some describe the appearance of Cladonia species as resembling "Shrek's ears" or miniature golf tees.
  • Historically, some cultures have used Cladonia, boiled with milk or syrup, as a remedy for whooping cough and chest ailments.