Calicium trabinellum

Calicium trabinellum
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Caliciales
Family:	Caliciaceae
Genus:	Calicium
Species:	C. trabinellum
Binomial name
	Calicium trabinellum; (Ach.) Ach. (1803)
Synonyms
	Calicium xylonellum ß trabinellum Ach. (1803); Lichen trabinellus Sm. (1806); Calicium roscidum var. trabinellum (Ach.) (1821); Phacotrum trabinellum (Sm.) Gray (1821); Chaenotheca trabinella (Sm.) A.L.Sm. (1918);

Calicium trabinellum, commonly known as the yellow-collar stubble lichen,^[2] is a widespread species of pin lichen in the family Caliciaceae. It was first described by Swedish lichenologist Erik Acharius in 1803 as Calicium xylonellum ß trabinellum.^[3] He made the new combination Calicium trabinellum in a later chapter of the same publication.^[4]

The thallus of the lichen is usually visible as a stain on the wood upon which it is growing. The apothecium resembles a small black pin, with a stalk 0.5–0.9 mm (0.02–0.04 in) tall, holding a black mound of ascospores (called a mazaedium). The underside of the mazaedium is dusted with pruina, which contains the compound vulpinic acid that gives it its yellow colour. The spores of Calicium trabinellum have roughly textured walls and measure 7–10 by 4–6 μm.^[2]

The lichen is common on dead wood in boreal and hemiboreal forests. In addition to Europe and North America, Calicium trabinellum has been recorded from Africa^[5] and Asia.^[6]

References[]

^ "Synonymy: Calicium trabinellum (Ach.) Ach". Species Fungorum. Retrieved 24 February 2021.
^ ^a ^b Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. New Haven: Yale University Press. p. 193. ISBN 978-0-300-08249-4.
^ Acharius, E. (1803). Methodus qua Omnes Detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius (in Latin). Stockholm: F.D.D. Ulrich. p. 93.
^ Brodo, Irwin M. (1976). "Lichenes Canadenses Exsiccati: Fascicle II". The Bryologist. 79 (4): 385–405. doi:10.2307/3241935. JSTOR 3241935.
^ Tibell, Leif (2000). "A synopsis of crustose calicioid lichens and fungi from mainland Africa and Madagascar". Nordic Journal of Botany. 20 (6): 717–742. doi:10.1111/j.1756-1051.2000.tb00759.x.
^ Titov, Alexander (2007). "Notes on Calicioid Lichens and Fungi from the Gongga Mountains (Sichuan, China)". The Lichenologist. 32 (6): 553–569. doi:10.1006/lich.2000.0296. S2CID 86306009.

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[Species_Fungorum_synonymy-1] "Synonymy: Calicium trabinellum (Ach.) Ach". Species Fungorum. Retrieved 24 February 2021.

[Brodo_et_al._2001-2] Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. New Haven: Yale University Press. p. 193. ISBN 978-0-300-08249-4.

[Acharius_1803-3] Acharius, E. (1803). Methodus qua Omnes Detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius (in Latin). Stockholm: F.D.D. Ulrich. p. 93.

[Brodo_1976-4] Brodo, Irwin M. (1976). "Lichenes Canadenses Exsiccati: Fascicle II". The Bryologist. 79 (4): 385–405. doi:10.2307/3241935. JSTOR 3241935.

[Tibell_2000-5] Tibell, Leif (2000). "A synopsis of crustose calicioid lichens and fungi from mainland Africa and Madagascar". Nordic Journal of Botany. 20 (6): 717–742. doi:10.1111/j.1756-1051.2000.tb00759.x.

[Titov_2007-6] Titov, Alexander (2007). "Notes on Calicioid Lichens and Fungi from the Gongga Mountains (Sichuan, China)". The Lichenologist. 32 (6): 553–569. doi:10.1006/lich.2000.0296. S2CID 86306009.

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