Physcia millegrana, commonly known as the mealy rosette lichen,[1] is a species of corticolous (bark-dwelling), foliose lichen in the family Physciaceae. It is common in the eastern United States.[1] It was formally described as a new species in 1940 by the lichenologist Gunnar Degelius.[2] This gray lichen with a pale underside is characterized by its coarse soredia (granular vegetative propagules) that are densely distributed the margins of lobes, giving them a somewhat ruffled appearance.[3]
| Physcia millegrana | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Caliciales |
| Family: | Physciaceae |
| Genus: | Physcia |
| Species: | P. millegrana
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| Binomial name | |
| Physcia millegrana Degel. (1940)
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Secondary metabolites (lichen products) found in Physcia millegrana include atraric acid, methyl 3-hydroxy orsellinate, and divaricatic acid.[4]
References edit
- ^ a b Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 555. ISBN 978-0-300-08249-4.
- ^ Degelius, G. (1940). "Contributions to the lichen flora of North America. I. Lichens from Maine". Arkiv för Botanik. 30A (1): 1–62 [56].
- ^ Tripp, Erin A.; Lendemer, James C. (2020). Field Guide to the Lichens of Great Smoky Mountains National Park. Knoxville: The University of Tennessee Press. p. 361. ISBN 978-1-62190-514-1.
- ^ Nugraha, Ari Satia; Laksono, Tinton Agung; Firli, Lilla Nur; Putri, Chintya Permata Zahky Sukrisno; Pratoko, Dwi Koko; Zulfikar, Zulfikar; Untari, Ludmilla Fitri; Wongso, Hendris; Lambert, Jacob M.; Dillon, Carolyn T.; Keller, Paul A. (2020). "Anti-cancer evaluation of depsides isolated from Indonesian folious lichens: Physcia millegrana, Parmelia dilatata and Parmelia aurulenta". Biomolecules. 10 (10): e1420. doi:10.3390/biom10101420. PMC 7600581. PMID 33049949.
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