Porlav

Porlav
(c) Lairich Rig, CC BY-SA 2.0
Systematik
DomänEukaryoter
Eukaryota
RikeSvampar
Fungi
DivisionSporsäcksvampar
Ascomycota
KlassLecanoromycetes
OrdningPertusariales
FamiljPertusariaceae
SläktePertusaria
ArtPorlav
Pertusaria pertusa
Vetenskapligt namn
§ Pertusaria pertusa
Auktor(Weigel) Tuck.
Synonymer
Pertusaria rupestris (DC.) Schaer.
Pertusaria pertusa var. leiotera (Nyl.) Zahlbr.
Pertusaria leioterella Erichsen
Pertusaria communis DC.[1]

Porlav (Pertusaria pertusa) är en lavart[2] som först beskrevs av Christian Ehrenfried Weigel, och fick sitt nu gällande namn av Edward Tuckerman. Porlav ingår i släktet Pertusaria och familjen Pertusariaceae.[3][4] Arten är reproducerande i Sverige.[5] Inga underarter finns listade i Catalogue of Life.[3]

Källor

  1. ^ DC. in Lamarck & Candolle (1805) Fl. Franç. 3rd edn., Vol.: 2 p. 320
  2. ^ Tuck. (1845) Enum. N. Amer. Lich., p. 56
  3. ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (26 februari 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/pertusaria+pertusa/match/1. Läst 24 september 2012. 
  4. ^ LIAS: A Global Information System for Lichenized and Non-Lichenized Ascomycetes. Rambold G. (lead editor); for detailed information see http://liaslight.lias.net/About/Impressum.html and http://liasnames.lias.net/About/Impressum.html, 2011-03-09
  5. ^ Dyntaxa

Media som används på denna webbplats

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A lichen - Pertusaria pertusa - geograph.org.uk - 988200.jpg
(c) Lairich Rig, CC BY-SA 2.0
A lichen - Pertusaria pertusa. Many lichens produce spores in clearly visible disc-shaped structures; however, this particular species has a distinctive and unusual appearance, because the discs, though still present, are usually apparent only as little dark pits set into wart-like structures, as can be seen in this photograph. There are often several pits per wart, making the surface seem encrusted with tiny irregular dice.

This particular example was growing on the bark of a tree that was standing alongside a footpath in an area of broad-leaved woodland.

See also 1221559.

For other Pertusaria species, see 987855 and 1050177.