SafePlants

Clauzadea immersa

Also known as Immersed Clauzadea Lichen, Clauzadea immersa is a lichen belonging to the plant family Porpidiaceae.

Considerations for Pets

• This lichen has apothecia (fruiting bodies) that are black discs up to 1mm in size.
• The thallus (body) of the lichen is immersed within its substrate.

Considerations for Children

• This lichen has apothecia (fruiting bodies) that are black discs up to 1mm in size.
• The thallus (body) of the lichen is immersed within its substrate.

Taxonomy and Nomenclature

• Scientific Name: Clauzadea immersa (Hoffm.) Hafellner &amp Bellem.
• Common Name: Immersed Clauzadea Lichen
• Family: Porpidiaceae
• Synonym: Lichen immersus Weber

Distribution and Habitat

• This lichen has been found in Dorset, Britain and Ireland.
• It has also been found in Northern Spain and on the Murmask coast of the Barents Sea.

Morphological Characteristics

• The growth habit is lichenous.
• The thallus is crustose, endosubstratal, inconspicuous, and immersed.
• The apothecia are blackish-brown and deeply immersed, often with pale-grey pruina (a frosty covering).
• Discs are black, scattered and unfrosted, in shallow pits.
• Pycnidia are immersed and spherical to globose.

Interactions with Other Organisms

• Snail herbivory can decrease cyanobacterial abundance and lichen diversity where Clauzadea immersa is present.
• Cyanobacteria can be found covering Clauzadea immersa

Quirky Facts

• The apothecia of Clauzadea immersa can sometimes be half-immersed in the thallus, described as "Aspicilioid."