Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Genus: Petractis
Species: P. clausa – P. farlowii – P. hypoleuca – P. luetkemuelleri – P. nodispora – P. thelotremella
Name
Petractis Fr., 1845
Type species: Petractis exanthemica (Sm.) Fr., 1845 = Petractis clausa (Hoffm.) Kremp., 1861
References
Primary references
Fr., Summa veg. Scand. (Stockholm) 1: 120 (1845)
Fries, E.M. 1846: Summa vegetabilium Scandinaviae 1 :1-258. **[Mattick Rec.# 33175] - (Recent Literature on Lichens - Mattick No.)**
References
Coppins, B.J. and Gilbert, O.L. (1992) Petractis Fr. (1846) (pp. 459-460) 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)**
Vezda, A. (1965) Flechtensystematische Studien I. Die Gattung Petractis Fr.. - Preslia 37: 127–143. **[RLL List # 55 / Rec.# 19549] - (Recent Literature on Lichens)**
Wirth, V. (1995) Petractis Fr. (pp. 711-713) - Teil 2 - In, Die Flechten Baden-Württembergs, Teil 1 & 2. Eugen Ulmer GmbH & Co., Stuttgart. 1006 pp.; in German. **[RLL List # 159 / Rec.# 20405] - (Recent Literature on Lichens)**
Links
USDA Plants Database
Index Fungorum
MycoBank
Vernacular names
English: Petractis lichens
Petractis is a genus of lichenized fungi of uncertain familial and ordinal placement in the Lecanoromycetes.[1] The genus was circumscription by mycologist Elias Magnus Fries in 1846.[2]
References
Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453. doi:10.5943/mycosphere/13/1/2. hdl:10481/76378. S2CID 249054641.
Fries, E.M. (1846). Summa vegetabilium Scandinaviae (in Latin). Vol. 1. p. 120.
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