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Degelia plumbea
Degelia plumbea in Brittany, France
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Peltigerales
Family:	Pannariaceae
Genus:	Degelia
Species:	D. plumbea
Binomial name
Degelia plumbea (Lightf.) P.M.Jørg. & P.James (1990)
Synonyms
Lichen plumbeus Lightf. (1777) (basionym) Pectenia plumbea Parmeliella plumbea

Degelia plumbea (also called blue felt lichen) is a species of grey to blue-black or brown foliose lichen in the genus Degelia. It mostly grows on trees in undisturbed woodlands but occasionally on coastal rocks. It is found widely in Britain and western Ireland as well as in America and Canada, as it grows in maritime Atlantic climates.

D. plumbea is highly sensitive to acid rain and climatic changes. D. plumbea and other lichen are highly sensitive to high light and have a high-water holding capacity. Other factors like method of dispersal and obtaining the appropriate substrate effects the growth and prosperity of the fungi. The genes in the D. plumbea don’t share a common ancestral gene through speciation due to potential environmental changes.

Degelia cyanoloma was previously thought to be a variant of D. plumbea.

References

1. P. M. Jørgensen; P. W. James (1990). "Studies in the lichen family Pannariaceae IV: The genus Degelia". Bibliotheca Lichenologica. 38: 253–276. Retrieved 3 April 2020.
2. "Pectenia plumbea". Fungi and Lichens of Great Britain and Ireland. Retrieved 3 April 2020.
3. "Parmeliella plumbea". MycoBank. Retrieved 3 April 2020.
4. "Blue Felt Lichen Degelia plumbea". iNaturalist. Retrieved 6 April 2020.
5. ^ "Species: Degelia plumbea sens. str". Irish Lichens. Retrieved 3 April 2020.
6. "Degelia plumbea (Lightf.) P.M.Jørg. & P.James". Lichen Ireland. Retrieved 3 April 2020.
7. "Degelia plumbea (Lightf.) P.M. Jørg. & P. James degelia lichen". USDA Natural Resources Conservation Service Plants Database. Retrieved 3 April 2020.
8. "Pectenia plumbea (Lightf.) P.M. Jørg., L. Lindblom, Wedin & Ekman (redirected from: Degelia plumbea (Lightf.) P.M. Jørg. & P. James)". Consortium of North American Lichen Herbaria. Retrieved 3 April 2020.
9. Ekman, S., Wedin, M., Lindblom, L., & Jorgensen, P. M. (2014). "). Extended phylogeny and a revised generic classification of the Pannariaceae (Peltigerales, Ascomycota)". The Lichenologist (London). 46 (5): 627–656. doi:10.1017/S002428291400019X.{{cite journal}}: CS1 maint: multiple names: authors list (link)
10. Gauslaa, Y., & Solhaug, K. (1998). "Significance of thallus size for the water economy of the cyanobacterial old-forest lichen Degelia plumbea". Oecologia. 116 (1/2): 76–84. Bibcode:1998Oecol.116...76G. doi:10.1007/s004420050565. PMID 28308543.{{cite journal}}: CS1 maint: multiple names: authors list (link)
11. "COSEWIC Assessment and Status Report on the Blue Felt Lichen Degelia plumbea in Canada" (PDF). Committee on the Status of Endangered Wildlife in Canada. November 2010. Retrieved 3 April 2020.
12. "Degelia plumbea (Lightf.) P.Jørg. & P.James". Images of British Lichens. Archived from the original on 17 September 2021. Retrieved 3 April 2020.

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