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Cladonia macilenta

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Cladonia macilenta
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Cladoniaceae
Genus: Cladonia
Species:
C. macilenta
Binomial name
Cladonia macilenta
Hoffm. (1796)
Synonyms
  • Cladonia bacillaris f. subscyphifera (Vain.) Sandst.
  • Cladonia coccifera f. macilenta (Hoffm.) Mudd
  • Cladonia macilenta subf. rubiformis (Rabenh.) M.Choisy
  • Cladonia coccifera scabrosa Mudd
  • Cladonia bacillaris subscyphifera Vain.
  • Cladonia macilenta var. flabellulata Müll.Arg.
  • Cladonia cylindrica var. squamigera (Vain.) M.Choisy
  • Cladonia digitata var. macilenta (Hoffm.) Leight.
  • Cladonia macilenta var. squamigera Vain.
  • Cladonia cylindrica var. vermicularis (Rabenh.) M.Choisy
  • Cladonia brebissonii var. ostreata (Nyl.) M.Choisy
  • Verrucaster lichenicola Tobler (1912)

Cladonia macilenta or the lipstick cup lichen[1] is a species of cup lichen in the family Cladoniaceae.[2]

The species is red listed in Iceland as an endangered species (EN).[3] While it is found in various regions of the UK, it is considered potentially threatened in parts of the lowlands due to habitat loss.[4]

Verrucaster lichenicola, described by Friedrich Tobler in 1913,[5] was proposed to be a fungus with waxy pycnidia and hyaline conidia lacking septa. It was, however, a little-known taxon, as the type specimen was lost and not collected again. The rediscovery of the type material more than a century later revealed that what Tobler thought to be a lichenicolous fungus was instead pycnidia of Cladonia macilenta, and thus the two taxa are placed in synonymy.[6]

Description

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Cladonia macilenta is small- to medium-sized amongst other Cladonia species and notably lacks cups even at maturity.[4] Typically, it is found in open or well-lit wooded areas and heathlands growing on strongly acidic wood and soil. It is often mistaken for Cladonia polydactyla,[4] because some morphs of that species can lack cups, particularly when pollution-stressed, shaded, or juvenile. but C. macilenta can be differentiated coloration (C. macilenta is typically white or grey, while C. polydactyla is typically blue-grey) or by the reproductive structures (soredia) which are granular in C. polydactyla and more mealy (farinose) in C. macilenta.[4]

References

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  1. ^ "Standardized Common Names for Wild Species in Canada". National General Status Working Group. 2020.
  2. ^ "Cladonia macilenta Hoffm". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 14 April 2021.
  3. ^ Náttúrufræðistofnun Íslands [Icelandic Institute of Natural History] (1996). Válisti 1: Plöntur. (in Icelandic) Reykjavík: Náttúrufræðistofnun Íslands.
  4. ^ a b c d "Cladonia macilenta | The British Lichen Society". britishlichensociety.org.uk.
  5. ^ Tobler, F. (1913). "Verrucaster lichenicola nov. gen., nov. spec". Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen. 21 (2): 383–384.
  6. ^ Diederich, Paul; Schultz, Matthias (2021). "The identity of Verrucaster lichenicola Tobler". Herzogia. 34 (1): 203–207. doi:10.13158/heia.34.1.2021.203.