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Acarospora citrina

Scientific Name: Acarospora citrina

Family: Acarosporaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Acarospora citrina: The Cobblestone Lichen

Acarospora citrina, commonly known as Cobblestone Lichen (English) or Liquen Adoquín (Spanish), is a fascinating lichen species belonging to the Acarosporaceae family. This page offers insights into its taxonomy, distribution, and ecological role.

Taxonomy and Nomenclature

  • Scientific Name: Acarospora citrina (Taylor) Zahlbr. ex Rech.
  • Family: Acarosporaceae
  • Kingdom: Fungi
  • Class: Ascomycetes (sac fungi)
  • Order: Lecanorales
  • Synonyms:
    • Urceolaria citrina Taylor
    • Acarospora chrysops
    • Acarospora scabra
    • Acarospora rhagadiosa
    • Lecanora xanthophana
    • Acarospora albida H. Magn., non Lecanora epilutescens (Hasse . = A. veronensis
  • Taxonomic Status: Accepted
  • Symbol: ACCI4

Distribution and Habitat

  • Native to Western Australia.
  • Observed in Ecuador and the Galápagos Islands.
  • Found colonizing crevices in arid Australian rocks.
  • Recorded near Dubbo, New South Wales, Australia.
  • Observed at Goorooyarroo.
  • Widely distributed, particularly Llano County westward.

Morphological Characteristics and Growth Habits

  • A crustose lichen (forms a crust-like growth on surfaces).
  • Often appears yellow in color.
  • May be heavily parasitized by microfungi.
  • Observed growing on brick walls.
  • Found on soil in Casuarina woodland and gypsum lunettes.

Ecological Role

  • May be heavily parasitized by microfungi.
  • Acarospora interjecta is a lichenicolous lichen parasitic on the yellow effigurate Candelariella citrina.

Quirky Facts

  • The San Diego Zoo is colored lemon-yellow by the crustose lichen Caloplaca citrina.

Further Information

  • Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Acarospora citrina.
  • Specimen lists are available for browsing.
  • The South African National Biodiversity Institute's database contains observations on this species.