Punctelia perreticulata

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Taxonavigation: Lecanorales 

Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Subclassis: Lecanoromycetidae
Ordo: Lecanorales

Familia: Parmeliaceae
Subfamilia: Parmelioideae
Genus: Punctelia
Species: Punctelia perreticulata


Punctelia perreticulata (Räsänen) G.Wilh. & Ladd, 1987

Substrate and ecology (Sonoran region): On bark and wood of various angiosperms (Acer, Alnus, Bursera, Lycium, Prosopis, Prunus, Quercus, Robinia, Sabal), conifers Abies, Juniperus, Picea, Pinus, Pseudotsuga) and on rocks from 240-3200 meters.

Basionym: Parmelia duboscqii var. perreticulata Räsänen, 1944


Note: Strongly scrobiculate specimens from the central U.S. named Punctelia subrudecta belong to P. perreticulata.   (Source: Hodkinson & Lendemer, 2010)


  • G. Wilh. & Ladd, Mycotaxon 28 (1): 249 (1987)
  • Adler, M.T. (1997) Polymorphism of vegetative propagules in Punctelia punctilla (Parmeliaceae, Lecanorales) and the delimitation of the species. - Mycotaxon 63: 57–70.   (RLL List # 167 / Rec.# 129 - Recent Literature on Lichens) (Web site)
  • Aptroot, A. (2003) A new perspective on the sorediate Punctelia (Parmeliaceae) species of North America. The Bryologist 106 (2): 317–319.   (RLL List # 191 / Rec.# 24592 - Recent Literature on Lichens) (JSTOR) (Confirmed P. perreticulata as a North American species) (Distribution map of P. perreticulata in North America: p. 319, fig. 1)
  • Brodo, I.M., Sharnoff, S.D. and Sharnoff, S. (2001) Punctelia (pp. 605-610) In, Lichens of North America. Yale University Press, New Haven, 795 pages. (P. perreticulata mentioned: p. 610)
  • Egan, R.S. and Aptroot, A. (2004) Punctelia (pp. 431-436) In: Nash III, T.H.; Ryan, B.D.; Diederich, P.; Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 2. Lichens Unlimited, Arizona State University, Tempe, Arizona, 742 pages. (Description of P. perreticulata: pp. 434-435; distribution map for the Sonoran region: p. 434)
  • Flenniken, D. (1999) Punctelia Krog (pp. 188-192) In The Macrolichens In West Virginia, 231 pages, 26 plates. (Published by D. Flenniken, 2273 Blachleyville Rd, Wooster, Ohio 44691) (Description of P. perreticulata: p. 190; color photo: plate 21, H)
  • Hinds, J.W. and Hinds, P.L. (2007) Punctelia Krog, 1982 (pp. 427-432) In, The Macrolichens of New England. - Memoirs of the New York Botanical Garden No. 96. New York Botanical Garden Press, Bronx, New York. 584 pp. (Description of P. perreticulata: p. 430; color photo: p. 430, fig. 273)
  • Lendemer, J. C., and Hodkinson, B. P. 2010. A new perspective on Punctelia subrudecta in North America: previously-rejected morphological characters corroborate molecular phylogenetic evidence and provide insight into an old problem. Lichenologist 42(4): 405–421.   (RLL List # 219 / Rec.# 32010 - Recent Literature on Lichens) (DOI: 10.1017/S0024282910000101)
  • Thomson, J.W. (2003) Punctelia Krog (pp. 198-200) In, Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages. (Description of P. perreticulata: p. 199)
  • van Herk, K. and Aptroot, A. (2000) The sorediate Punctelia species with lecanoric acid in Europe. - Lichenologist 32 (3): 233–246.   (RLL List # 179 / Rec.# 19349 - Recent Literature on Lichens) (DOI:10.1006/lich.1999.0261) (Illustrations of Punctelia perreticulata: pp. 242 & 243)

Links to photos[edit]

Vernacular names[edit]

English: Powdered speckled shield lichen,   Punctelia