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Canoparmelia cassa

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Canoparmelia cassa
Scientific classification
Kingdom:
Fungi
Division:
Ascomycota
Subdivision:
Pezizomycotina
Class:
Lecanoromycetes
Order:
Lecanorales
Family:
Parmeliaceae
Genus:
Canoparmelia
Species:
Canoparmelia cassa

Marcelli & Kalb, 2002

Canoparmelia cassa is a species of lichenized fungi within the Parmeliaceae family.[1] This species is characteristic by the occurrence of isidia together with fatty acids. It is similar externally to Canoparmelia amazonica. Its epithet cassa is derived from the Latin cassus, meaning "devoid", due to this species' lack of medullar reactive substances.[1]

Description

It possesses a whitish-green thallus that measures 8 centimetres (3.1 in) wide, its lobes measuring between 1 and 2 millimetres (0.039 and 0.079 in) wide. Its surface is continuous, laterally overlapping and adnate, being dichotomously ramified. The species' axillary sinus is oval, it counts with rounded apices, and a black-lined margin with no cilia. It shows no lacinules while possessing laminal maculae.[1]

Its isidia are also laminal and cylindrical, being between 0.2 and 0.6mm high. Its medulla is white, while its underside possesses a rugose, veined and papillate margin. Its central surface is black and also papillate. Its rhizinae are dimorphic, measuring between 0.1 to 0.4 millimetres (0.0039 to 0.0157 in) long, being coloured black and with a frequent distribution. Apothecia and pycnidia are absent in Canoparmelia cassa.[1]

Habitat

This species was first found in the Parque Natural do Caraça, in Minas Gerais, at an altitude of 1,330 metres (4,360 ft) on a tree in a light forest.[1]

References

  1. ^ a b c d e Marcelli, M. P., and Celio Henrique Ribeiro. "Twenty-one new species of Parmeliaceae (lichenized fungi) from southeastern Brazil." Mitt. Inst. Allg. Bot. Hamburg 30.32 (2002): 125-155.

Further reading

  • Spielmann, Adriano Afonso, and Marcelo Pinto Marcelli. "Parmeliaceae (Ascomycota liquenizados) nos barrancos e peraus da encosta da Serra Geral, Vale do Rio Pardo, Rio Grande do Sul, Brasil. II. Gêneros Canoparmelia, Hypotrachyna, Myelochroa, Parmelinopsis e Relicina." Iheringia, Série Botânica63.2 (2008): 193-212.
  • Cunha, Iane Paula Rego, Marcelo Pinto Marcelli, and Eugênia Cristina Pereira. "Canoparmelia species sl (Parmeliaceae, lichenized ascomycetes) of the tocantinan region, Maranhão and Tocantins States, Brazil." Hoehnea 42.2 (2015): 265-272.


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