Hale, M.E. (1983). "Cortical structure in Physcia and Phaeophyscia". The Lichenologist. 15 (2): 157–160. doi:10.1017/S0024282983000249.
Elix, John A.; Whitton, Andrew A.; Jones, Alan J. (1982). "Triterpenes from the lichen genus Physcia". Australian Journal of Chemistry. 35 (3): 641–647. doi:10.1071/CH9820641.
Lücking, Robert; Hodkinson, Brendan P.; Leavitt, Steven D. (2017). "The 2016 classification of lichenized fungi in the Ascomycota and Basidiomycota–Approaching one thousand genera". The Bryologist. 119 (4): 361–416 [384]. doi:10.1639/0007-2745-119.4.361. JSTOR44250015.
Esslinger, T.L.; Leavitt, S.D.; McCune, B. (2020). "Two closely related but morphologically disparate new species of Physcia from western North America". The Bryologist. 123 (2): 204–214. doi:10.1639/0007-2745-123.2.204.
Miranda-González, Ricardo; Campos-Cerda, Felipe; Herrera-Campos, María de los Angeles (2025). "Diploicia edulis (Caliciaceae) and Physcia ornamentalis (Physciaceae), two new species associated with invertebrates from the tropical dry forest of Mexico". The Lichenologist. 57 (1): 25–33. doi:10.1017/S0024282925000015.
Hue, A. (1916). "Lichenes Poncinsianos in Africa tropico-orientali anglica a Vicecomite de Poncins anno 1912 lectos elaboravit" [Lichens from Poncins in tropical East Africa, collected by Viscount de Poncins in the year 1912, elaborated]. Bulletin de la Société botanique de France. 63: 1–24 [10]. Bibcode:1916BSBF...63S...1H. doi:10.1080/00378941.1916.10839748.
Uluozlu, Ozgur Dogan; Sarı, Ahmet (2010). "Biosorption of antimony from aqueous solution by lichen (Physcia tribacia) biomass". Chemical Engineering Journal. 163 (3): 382–388. Bibcode:2010ChEnJ.163..382U. doi:10.1016/j.cej.2010.08.022.
Cansaran-Duman, Demet; Aras, Sümer (2015). "Lichens as an alternative biosorbent: a review". In Ansari, Abid Ali; Gill, Sarvajeet Singh; Gill, Ritu; Lanza, Guy R.; Newman, Lee (eds.). Phytoremediation. Management of Environmental Contaminants. Vol. 2. Springer International Publishing Switzerland. doi:10.1007/978-3-319-10969-5_20. ISBN978-3-319-10969-5.
Hue, A. (1916). "Lichenes Poncinsianos in Africa tropico-orientali anglica a Vicecomite de Poncins anno 1912 lectos elaboravit" [Lichens from Poncins in tropical East Africa, collected by Viscount de Poncins in the year 1912, elaborated]. Bulletin de la Société botanique de France. 63: 1–24 [10]. Bibcode:1916BSBF...63S...1H. doi:10.1080/00378941.1916.10839748.
Uluozlu, Ozgur Dogan; Sarı, Ahmet (2010). "Biosorption of antimony from aqueous solution by lichen (Physcia tribacia) biomass". Chemical Engineering Journal. 163 (3): 382–388. Bibcode:2010ChEnJ.163..382U. doi:10.1016/j.cej.2010.08.022.
Lücking, Robert; Hodkinson, Brendan P.; Leavitt, Steven D. (2017). "The 2016 classification of lichenized fungi in the Ascomycota and Basidiomycota–Approaching one thousand genera". The Bryologist. 119 (4): 361–416 [384]. doi:10.1639/0007-2745-119.4.361. JSTOR44250015.
Hale, M.E. Jr. (1963). "The systematic position of Parmelia albata Wils". The Bryologist. 66 (2): 72–73. doi:10.2307/3241069. JSTOR3241069.
Goward, Trevor; McCune, Bruce; Meidinger, Del (1994). The Lichens of British Columbia: Illustrated Keys. Part 1 — Foliose and Squamulose Species. Victoria, B.C.: Ministry of Forests Research Program. p. 110. ISBN0-7726-2194-2. OCLC31651418.