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North American Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Peltula
Family: Peltulaceae
Peltula image
Gary Perlmutter
  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Life habit: lichenized Thallus: peltate, crustose, squamulose, or suffruticose (rarely cylindrical); margins: entire, minutely lobate to sometimes effigurate upper surface: olive green to olive brown, rarely black; with or without soredia upper cortex: usually absent but with an epinecral layer medulla: white, with numerous airspaces, composed of globose or elongated hyphae photobionts: primary one an unicellular cyanobacterium (Chroococcidiopsis or Myxosarcina), secondary photobiont absent lower cortex: normally well developed, pseudoparenchymatous lower surface: usually paler than the upper surface, attached by an umbilicus, rhizohyphal weft or rhizines Ascomata: apothecial, lecanorine, completely immersed or with a raised rim; disc: punctiform or widely opened; hymenium: 90-300 µm high; paraphyses: sometimes anastomosing, rarely branched, 1-3.5 µm thick; subhymenium: 16-70 µm asci: clavate to obclavate, unitunicate-rostrate (lecanoralean type), 60-170 x 10-30 µm; walls: red or blue in iodine (blue after K pretreatment); 16->100-spored ascospores: simple, hyaline, globose to ellipsoid, 3-12 x 2-6 µm Conidiomata: pycnidial, solitary to cerebriform, immersed conidia: oval to fusiform, hyaline, 1.5-4.3 x 0.5-2.5 µm Secondary metabolites: none detected in North American material Geography: predominately in arid and semi-arid regions of the world, but occurring wherever arid microclimates are found Substrate: acidic or calcareous rocks or soil.
Species within checklist: Lower Desert Regions
Peltula bolanderi
Image of Peltula bolanderi
Map not
Available
Peltula euploca
Image of Peltula euploca
Map not
Available
Peltula farinosa
Image of Peltula farinosa
Map not
Available
Peltula michoacanensis
Image of Peltula michoacanensis
Map not
Available
Peltula obscurans
Image of Peltula obscurans
Map not
Available
Peltula omphaliza
Image of Peltula omphaliza
Map not
Available
Peltula patellata
Image of Peltula patellata
Map not
Available
Peltula placodizans
Image of Peltula placodizans
Map not
Available
Peltula psammophila
Image of Peltula psammophila
Map not
Available
Peltula richardsii
Image of Peltula richardsii
Map not
Available
Peltula zahlbruckneri
Image of Peltula zahlbruckneri
Map not
Available

This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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