Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Subclassis: Ostropomycetidae
Ordo: Pertusariales
Familia: Agyriaceae
Genus: Placopsis
Species: P. ampliata – P. antarctica – P. argillacea – P. asahinae – P. aspicilioides – P. bicolor – P. brachyloba – P. brevilobata – P. campbelliana – P. centrifuga – P. clavifera – P. cribellans – P. durietziorum – P. elixii – P. erosa – P. fuscidula – P. fusciduloides – P. gelida – P. gelidioides – P. hertelii – P. imshaugii – P. lambii – P. lateritioides – P. macrospora – P. microphylla – P. murrayi – P. parellina – P. perrugosa – P. polycarpa – P. pruinosa – P. rhodocarpa – P. rhodophthalma – P. roseonigra – P. stenophylla – P. subcribellans – P. tararuana – P. venosa
Name
Placopsis (Nyl.) Linds., 1867
Type Species: Placopsis gelida (L.) Linds., 1866
Family: Agyriaceae
Basionym
Squamarina subgen. Placopsis Nyl., 1861
Synonymy
Aspiciliopsis (Müll. Arg.) M. Choisy, Bull. Soc. bot. Fr. 76: 526 (1929)
References
Primary references
Linds., Trans. Linn. Soc. London 25: 536 (1867)
Lindsay, L.W. (1866) Observations on New Zealand Lichens. - Trans. Linn. Soc. London 25: 493–560. **[Mattick Rec.# 34514] - (Recent Literature on Lichens - Mattick No.)**
Additional references
Brodo, I.M.; Sharnoff, S.D. and Sharnoff, S. (2001) Placopsis (pp. 571-572) In, Lichens of North America. Yale University Press, New Haven, 795 pages. **[RLL List # 184 / Rec.# 22465] - (Recent Literature on Lichens)**
Moberg, R. and Carlin, G. (1996) The genus Placopsis (Trapeliaceae) in Norden. Symbolae Botanicae Upsalienses 31 (3): 319–325. **[RLL List # 165 / Rec.# 12880] - (Recent Literature on Lichens)**
Purvis, O.W. (1992) Placopsis (Nyl.) Lindsay (1866) (pp. 474-475) In: Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. and Moore, D.M. (eds.) The Lichen Flora of Great Britain and Ireland. London: Natural History Museum Publication, 710 pp. **[RLL List # 151 / Rec.# 15105] - (Recent Literature on Lichens)**
Thomson, J.W. (1997) Placopsis (Nyl.) Lindsay (pp. 470-472) In, American Arctic Lichens: 2. The Microlichens. The University of Wisconsin Press, 675 pages. **[RLL List # 170 / Rec.# 18517] - (Recent Literature on Lichens)** (Books.Google)
Links
USDA Plants Database
North American Lichen Checklist, Version (#16) 18 June 2010.
Index Fungorum
MycoBank
Vernacular names
English: Bull's-eye lichens
Placopsis (bullseye lichen)[2][3] is a genus of lichenized fungi in the family Trapeliaceae.[4]
Species
As of August 2022, Species Fungorum (via the Catalog of Life) accepts 29 species of Placopsis.[5]
Placopsis ampliata (I.M.Lamb) D.J.Galloway (2004)
Placopsis antarctica D.J.Galloway, R.I.L.Sm. & Quilhot (2005)
Placopsis aspicilioides D.J.Galloway (2004)
Placopsis bicolor (Tuck.) B.de Lesd. (1931)
Placopsis brachyloba (Müll.Arg.) I.M.Lamb (1947)
Placopsis campbelliana Imshaug ex D.J.Galloway (2013)
Placopsis centrifuga D.J.Galloway (2004)
Placopsis clavifera (I.M.Lamb) D.J.Galloway (2001)
Placopsis cribellans (Nyl.) Räsänen (1940)
Placopsis dennanensis (Zahlbr.) I.M.Lamb ex D.J.Galloway (2001)
Placopsis durietziorum D.J.Galloway (2004)
Placopsis elixii D.J.Galloway (2001)
Placopsis erosa D.J.Galloway (2013)
Placopsis fusciduloides D.J.Galloway (2005)
Placopsis gelida (L.) Linds. (1866)
Placopsis hertelii D.J.Galloway (2004)
Placopsis illita (C.Knight) I.M.Lamb (1947)
Placopsis imshaugii D.J.Galloway (2011)
Placopsis lambii Hertel & V.Wirth (1987)
Placopsis macrospora D.J.Galloway (2004)
Placopsis murrayi D.J.Galloway (2004)
Placopsis parellina (Nyl.) I.M.Lamb (1940)
Placopsis perrugosa (Nyl.) Nyl. (1867)
Placopsis polycarpa D.J.Galloway (2004)
Placopsis pruinosa D.J.Galloway (2004)
Placopsis rhodocarpa (Nyl.) Nyl. (1861)
Placopsis rhodophthalma (Müll.Arg.) Räsänen (1932)
Placopsis stellata (Øvstedal) Henssen (2003)
Placopsis subcribellans (I.M.Lamb) D.J.Galloway (2002)
Placopsis venosa Imshaug ex D.J.Galloway (2004)
References
"Synonymy: Placopsis (Nyl.) Linds". Species Fungorum. CAB International. Retrieved 2014-05-27.
USDA Natural Resources Conservation Service Name Search
Bullseye Lichen (Placopsis), Encyclopedia of Life
Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi:10.5943/mycosphere/11/1/8.
Source dataset. Species Fungorum Plus: Species Fungorum for CoL+. "Placopsis". Catalog of Life Version 2022-07-12. Retrieved 25 August 2022.
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