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Cetraria islandica ssp. islandica

Scientific Name: Cetraria islandica ssp. islandica

Family: Parmeliaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Cetraria islandica subsp. islandica

Also known as Iceland Moss, Cetraria islandica subsp. islandica is a lichen with an erect or upright, leaflike habit, which gives it the appearance of a moss.

Taxonomy and Nomenclature

  • Scientific Name: Cetraria islandica subsp. islandica (L.) Ach.
  • Common Name: Iceland Moss
  • Rank: Subspecies
  • Kingdom: Fungi
  • Phylum: Ascomycota
  • Class: Ascomycetes
  • Order: Lecanorales
  • Family: Parmeliaceae
  • Synonyms:
    • Cornicularia islandica (L.) H.Mart.
    • Parmelia islandica (L.)
    • Lichen islandicus L., 1753 (Basionym)

Distribution and Habitat

Cetraria islandica subsp. islandica is found in Europe, Asia, Africa, and Australasia. It has also been found in the Antarctica/subantarctic or Southern Ocean. One subspecies, Cetraria islandica subsp. crispiformis, has been observed on mossy soil in Southeast Alaska.

Morphological Characteristics

This distinctive brown fruticose lichen can be identified at any time of the year. Its erect or upright, leaflike habit gives it the appearance of a moss.

Related Subspecies and Varieties

  • Cetraria islandica subsp. crispiformis (Rsnen) Krnefelt (Curly Iceland Lichen, Upstanding Iceland Lichen)
  • Cetraria islandica subsp. antarctica Karnefelt
  • Cetraria islandica subsp. orientalis (Asahina) Krnefelt
  • Cetraria islandica var. platyna (Ach.) Ach.
  • Cetraria islandica var. crispiformis Rsnen

Potential Health Considerations

The text mentions that, "If symptoms persist more than a few days, contact a licensed practitioner. As with any drug, if you are pregnant or nursing a baby, seek the advice of a health professional." This suggests potential traditional or medicinal uses that warrant caution.

Further Information

  • Encyclopedia of Life
  • Dyntaxa - Svensk taxonomisk databas
  • British Isles List of Lichens and Lichenicolous Fungi
  • Tasmanian Lichens: Identification, Distribution and Conservation (refer to page 29)
  • MO (likely referring to Missouri Botanical Garden)
  • ToL (Tree of Life Project)
  • BHL (Biodiversity Heritage Library)
  • WikiSpecies