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diffuse dot lichen

Scientific Name: Arthonia diffusa

Family: Arthoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Dot Lichen (Arthonia spp.)

This page provides information about lichens belonging to the genus Arthonia, commonly known as Dot Lichens. These lichens are part of the family Arthoniaceae.

Considerations for Pets

  • Lichens can be found on trees and rocks in outdoor environments.

Considerations for Children

  • Lichens can be found on trees and rocks in outdoor environments.

Taxonomy and Nomenclature

  • Scientific Name: Arthonia spp.
  • Common Name: Dot Lichen
  • Family: Arthoniaceae
  • Group: Lichen
  • Examples of Species:
    • Arthonia delicatula Mll. Arg.
    • Arthonia didyma Krb.
    • Arthonia diffusa Nyl. (Diffuse Dot Lichen)
    • Arthonia tuckermaniana (Tuckerman's Dot Lichen)

Distribution and Habitat

  • Found in the United States and Australia.
  • Specifically mentioned in the context of the Greater Sonoran Desert Region.

Morphological Characteristics

  • Some species have a diffuse and powdery thallus with no underlying medulla.
  • Some species are characterized by black dots embedded in the substrate.

Ecological Role

  • Arthonia diffusa is referred to as a "diffuse dot lichen".