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rimularia lichen

Scientific Name: Rimularia gibbosa

Family: Rimulariaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Rimularia

Rimularia is a genus of lichens, often referred to as "rimularia lichen." This page provides information about various species within this genus.

Considerations for Pets

  • Some Rimularia species grow on rocks, including schist and sandstone.

Taxonomy and Nomenclature

  • Kingdom: Fungi
  • Phylum: Ascomycota
  • Class: Lecanoromycetes
  • Subclass: Ostropomycetidae
  • Order: Agyriales
  • Family: Rimulariaceae
  • Synonyms: Some species, such as Rimularia insularis, have synonyms including Lecidea insularis and Lecidea intumescens.

Distribution and Habitat

  • Rimularia species are found in various regions, including:
    • North and West (general)
    • The Greater Sonoran Desert Region
    • The southern subpolar region
    • Western Canada
    • Tasmania (with endemic species)
    • Northwestern Europe
    • Central Siberian Biosphere Reserve
    • Aegean (e.g., Thasos)
    • Taiwan
    • Pacific Northwest
    • New South Wales, Australia (e.g., Rimularia exigua in eucalypt forest)
  • They typically grow on montane rocks, especially schist, and can also be found on boulders, gravestones, and in forests.

Morphological Characteristics

  • The thallus is typically a grey-brown or grey to dark brown/black crust, often cracked-areolate.
  • Apothecia are minute, black, and set in the thallus surface.
  • A black prothallus is often visible between the areoles.
  • Ascospores are ellipsoid to broadly ellipsoid.

Ecological Role

  • Some Rimularia species are lichenicolous, meaning they grow on other lichens. For example, Rimularia insularis forms a photosynthetic thallus on lichens of the Lecanora rupicola group. Rimularia furvella can also be found growing on other lichens.

Interactions with Other Organisms

  • Rimularia insularis can parasitize numerous crustose lichen species.
  • Rimularia species interact with green algae.

Further Information

  • Lichen Flora of the Greater Sonoran Desert Region
  • British Lichen Society
  • Botanical Museum, University of Oslo
  • ITIS (Integrated Taxonomic Information System) - for Rimularia insularis (TSN 189829)
  • Stridvall Lichens (link may be broken)