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blackthread lichen

Scientific Name: Placynthium flabellosum

Family: Placynthiaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Placynthium: The Blackthread Lichen

Placynthium is a genus of lichenized fungi belonging to the family Placynthiaceae. These lichens are commonly referred to as "blackthread lichens."

Considerations for Pets and Children

  • The common name "blackthread lichen" may evoke curiosity in children or pets, potentially leading to contact with the lichen.

Taxonomy and Nomenclature

  • Scientific Name: Placynthium
  • Common Name: Blackthread Lichen, Ink Lichen, Common Ink Lichen, Quilted Ink Lichen
  • Family: Placynthiaceae
  • Synonyms:
    • Antarctomia D.C. Linds.
    • Anziella Gyeln.
    • Calkinsia Nieuwl.
    • Callolechia Kremp.
    • Collolechia A. Massal.
    • Lecothecium Trevis.

Notable Species

  • Placynthium nigrum (Huds.) A. Gray - Blackthread Lichen
  • Placynthium flabellosum (Tuck.) Zahlbr. - Blackthread Lichen
  • Placynthium stenophyllum (Tuck.) Fink - Blackthread Lichen
  • Placynthium subradiatum (Nyl.) Arnold - Blackthread Lichen
  • Placynthium asperellum

Distribution and Habitat

  • Found in various regions, including England.
  • Often found on non-vascular pavement alvars, alongside mosses.

Quirky Facts

  • Some Icelandic common names for Placynthium species include Flatslyra and Blslyra.