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canoparmelia lichen

Scientific Name: Canoparmelia crozalsiana

Family: Parmeliaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Canoparmelia Lichen

The genus Canoparmelia encompasses a group of lichenized fungi within the family Parmeliaceae. These lichens are known for their foliose (leaf-like) thallus and their role as bioindicators in environmental studies.

Scientific Name and Common Names

  • Scientific Name: Canoparmelia Elix & Hale
  • Common Names: Several species have common names, including:
    • Texan Canoparmelia Lichen (Canoparmelia texana)
    • Carolina Canoparmelia Lichen (Canoparmelia caroliniana)
    • Rarotonga Parmelia-Lichen (Specific species not mentioned in text)

Taxonomy and Nomenclature

  • Kingdom: Fungi (implied by being a lichenized fungi)
  • Phylum: Lichens
  • Class: Lecanoromycetes
  • Order: Lecanorales
  • Family: Parmeliaceae
  • Genus: Canoparmelia Elix & Hale
  • Synonyms:
    • Parmelia Ach. s. lat. (as the genus Canoparmelia is a segregate of this)
    • Paraparmelia alabamensis (for Canoparmelia alabamensis)
    • Parmelia alabamensis (for Canoparmelia alabamensis)
    • Pseudoparmelia caroliniana (possible synonym)

Distribution and Habitat

  • The genus Canoparmelia is widespread.
  • Specific locations mentioned include:
    • Big Bend National Park (Texas, USA) - observation of Canoparmelia texana
    • Cook Islands (Rarotonga) - Native habitat for a species within the genus
    • Indonesia (Java) - Habitat for Canoparmelia aptata
    • GSMNP (Great Smoky Mountains National Park)
    • South Korea
  • Canoparmelia texana can be found growing on the bark of trees.

Ecological Role

  • Canoparmelia texana has been studied for its potential as a bioindicator of air pollution, specifically related to radionuclides and rare earth elements (REEs) from the phosphate fertilizer industry.

Morphological Characteristics

  • Canoparmelia species are lichenized and have a foliose (leaf-like) thallus.
  • The thallus is typically circular in outline and lobate, sometimes imbricate (overlapping).
  • Lobes are usually subirregular but can sometimes be sublinear.
  • Canoparmelia texana is characterized by a light, almost white color and powdery soredia.
  • Canoparmelia caroliniana has an upper surface that is finely cracked to the margin and is isidiate (having isidia, small vegetative propagules). It also has a dark undersurface.

Quirky Facts

  • The name Canoparmelia is derived from the Latin word "canus," meaning hoary.

Further Information

  • Ohio Moss and Lichen
  • Australian Plant Names Index
  • WikiSpecies
  • BHL (Biodiversity Heritage Library)
  • ToL (Tree of Life Web Project)
  • Lichen herbarium at GSMNP