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Arthonia pruinata

Scientific Name: Arthonia pruinata

Family: Arthoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Arthonia pruinata: An In-depth Look

Arthonia pruinata, commonly known as matt pricklav in Swedish, is a lichen species with a fascinating story. This page provides a comprehensive overview of its biology, ecology, and distribution.

Taxonomy and Nomenclature

  • Scientific Name: Arthonia pruinata (Pers.) Steud. ex A.L. Sm.
  • Rank: Species
  • Family: Arthoniaceae
  • Kingdom: Fungi
  • Synonyms: Arthonia impolita, Arthonia pruinosa, Leprantha impolita, Lichen pruinatus, Pachnolepia pruinata

Distribution and Habitat

  • Arthonia pruinata is described as ubiquitous, found in various locations.
  • Specific locations mentioned include:
    • Santa Rosa Island, California (USA)
    • Washington, Redondo Beach Park, northern end of Puget Sound (USA)
    • Somerset, Exmoor National Park, near Bossington (UK)
    • Sydsjlland (Denmark)
  • It is often found on the bark of trees, such as Quercus (oak) and Pseudotsuga (Douglas fir), old sycamore trees.
  • This species is declining due to air pollution and the disappearance of mature, isolated deciduous trees.

Morphological Characteristics

  • Thallus: Effuse, rimose (cracked), and 0.1-0.3 mm thick.
  • Ascomata: Rounded or angular, immersed to erumpent or sessile.
  • Crustose thallus, rather thick.

Ecological Role

  • The photobiont (the photosynthetic partner in the lichen symbiosis) is Trentepohlia.

Potential Confusion

  • It may be similar to Arthonia radiata if the apothecia are stellate.
  • It could be confused with Arthonia pruinata but this lichen is C + red.

Genetic Information

  • Pachnolepia pruinata voucher UPS:Frisch 11/Se34 12S small subunit RNA.
  • Arthonia pruinata voucher Tehler 9139 RNA polymerase II second largest.

Quirky Facts

  • One source mentions that they smile every time they think of this species because "it was always in front of me, not only at this location but in several".

Further Information

  • Discover Life provides a page about the biology, natural history, ecology, identification, and distribution of Arthonia pruinata.
  • Accessed through: Index Fungorum at http://www.indexfungorum.org/names/NamesRecord.asp?RecordID=376762
  • Natural History Museum&#39s UK Species Inventory