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Atlantic Cup Lichen (Cladonia atlantica)

The Atlantic Cup Lichen, scientifically known as Cladonia atlantica, is a fascinating lichen species belonging to the Cladoniaceae family.

Considerations for Pets

• As a lichen, Cladonia atlantica may grow on various surfaces, including tree bark.
• It exhibits a cup-like morphology which may pose a minor ingestion risk to smaller pets.

Taxonomy and Nomenclature

• Scientific Name: Cladonia atlantica A. Evans
• Common Name: Atlantic Cup Lichen
• Synonym: Atlantic Cladonia (implied)
• Kingdom: Fungi
• Phylum: Ascomycota
• Class: Lecanoromycetes
• Order: Lecanorales
• Family: Cladoniaceae

Distribution and Habitat

• The Atlantic Cup Lichen is associated with Atlantic coastal regions and sheltered sites across the Atlantic.
• It has been noted in locations like the Azores and Atlantic Canada.

Morphological Characteristics and Growth Habits

• Cladonia atlantica is a lichenous organism.
• The "cup" refers to the goblet or cup-like structures formed by the lichen.

Quirky Facts

• Lichens are a symbiotic association between a fungus and a photosynthetic partner, showcasing a unique cooperative strategy in nature.
• "Pixie-cup lichens" are sometimes found on Hazel branches in Atlantic hazelwoods.
• Some species of Cladonia have special forms found in Cladonia lichens: pixie-cups, soldiers.
• Cup lichens are known to hold rain droplets and dew in their upturned bowls.

Interactions with Other Organisms

• Lichens, including Cladonia atlantica, form a crucial part of the ecosystem by colonizing various surfaces and providing habitats for small invertebrates.
• They are also consumed by some animals, such as reindeer.

Further Information

• USDA Plants Database: Provides information and photos of Cladonia atlantica.
• Encyclopedia of Life: Offers details on the distribution and other aspects of the Atlantic Cup Lichen.
• ARKive: Features lichen photos and facts.