Biology:Calicium

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Short description: Genus of fungi

Calicium
Calicium viride-1.jpg
Calicium viride
Scientific classification e
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Caliciales
Family: Caliciaceae
Genus: Calicium
Pers. (1794)
Type species
Calicium viride
Pers. (1794)

Calicium is a genus of leprose lichen lichens.[1]:234 It is in the family Caliciaceae.

The sexual reproduction structures are a mass of loose ascospores that are enclosed by a cup shaped exciple sitting on top of a tiny stalk, having the appearance of a dressmaker's pin (called a mazaedium), hence the common name pin lichen.[1]:15 They are also commonly called stubble lichens.[1]:234

They have been used as indicator species for old growth redwood forests.[1]:234

Evolutionary history

The discovery of a Calicium-like fossil in Baltic amber dating back 55–35 myr indicates that the main distinguishing characteristics of this genus have persisted for at least tens of millions of years.[2] A fossil-calibrated phylogeny that includes this fossil suggests that the family Caliciaceae diversified from its most recent common ancestor 103–156 Myr ago in the early Cretaceous.[3]

Species

(As of December 2020), Species Fungorum accepts 36 species in Calicium:[4]

References

  1. 1.0 1.1 1.2 1.3 Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN:978-0-300-19500-2
  2. Rikkinen, Jouko (2003). "Calicioid lichens from European Tertiary amber". Mycologia 95 (6): 1032–1036. doi:10.1080/15572536.2004.11833019. PMID 21149012. 
  3. Prieto, Maria; Wedin, Mats (2016). "Phylogeny, taxonomy and diversification events in the Caliciaceae". Fungal Diversity 82 (1): 221–238. doi:10.1007/s13225-016-0372-y. 
  4. Species Fungorum. "Calicium". Catalogue of Life. https://www.catalogueoflife.org/data/taxon/62J86. Retrieved 17 December 2020. 


Wikidata ☰ Q5019850 entry