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Washington cracked lichen

Scientific Name: Acarospora washingtonensis

Family: Acarosporaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Washington Cracked Lichen (Acarospora washingtonensis)

The Washington Cracked Lichen, scientifically known as Acarospora washingtonensis, is a lichen species found in specific regions of the United States.

Considerations for Pets and Children

  • This lichen is often found on rocks, sometimes requiring the breaking of rocks to access it.
  • Lichens, in general, can grow in cracks and crevices, which may be areas of interest to children and pets.

Taxonomy and Nomenclature

  • Scientific Name: Acarospora washingtonensis H. Magn.
  • Common Name: Washington Cracked Lichen
  • Family: Acarosporaceae
  • Rank: Species
  • Symbol: ACWA2

Distribution and Habitat

  • This lichen has been observed in Washington state, including the Cascade Mountains.
  • It is also found on rocks in areas such as Spokane, Washington.
  • Its habitat includes basalt rock faces and cracks.
  • It is also found growing on Mt. Washington.

Morphological Characteristics and Growth Habits

  • The Washington Cracked Lichen has a lichenous growth habit.
  • Its thallus can be smooth to cracked.
  • It can appear areolate, meaning cracked into numerous angular sections resembling a dried lake bed.

Interactions with Other Organisms

  • Lichens, in general, are a symbiotic association of an algal and a fungal species.
  • Moss can grow in the same cracks where lichens are found.
  • Lichens can be invasive and damage stone structures.

Further Information

  • Additional information can be found in the Encyclopedia of Life and the U.S. National Herbarium, Smithsonian Institution.
  • The USDA also holds related resources.