Consortium of
North American Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Aspicilia laevata (Ach.) Arnold  
Go To Encyclopedia of Life...
Family: Megasporaceae
[Aspicilia lusca (Nyl.) B. de Lesd., moreAspicilia sylvatica Arnold, Lecanora cinerea var. laevata (Ach.)Tuck., Lecanora laevata (Ach.) Nyl., Lecanora laevata f. laevata (Ach.) Nyl., Lecanora laevata f. obscurata H. Magn., Lecanora laevata f. pallidior H. Magn., Lecanora laevata f. sylvatica (Arnold) H. Magn., Lecanora laevata f. vitrea (Anzi) H. Magn., Lecanora laevata var. laevata (Ach.) Nyl., Lecanora laevata var. radians H. Magn., Lecanora lusca Nyl., Lecanora sylvatica (Arnold) Sandst., Sagedia laevata Ach., Urceolaria laevata (Ach.) Duby]
Aspicilia laevata image
Gary Perlmutter  
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Botanische Staatssammlung Munchen

Global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic.  Substrate: rock – siliceous, siliciferous, acidic.  Life habit: lichenized (mutualistic with algal photobionts). Thallus: crustose (crustaceous) – episubstratal – unspecified, cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate; [th] upper surface: grey(ish) | green(ish) grey; [th marginal and upper surface] specific structures: absent.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (median) 0.4; [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded.  Asci: lecanoralean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): absent.  Ascospores: [asp] length [µm]: (low) 13.0 (high) 17.0 (max) 23.0; [asp] width [µm]: (low) 9.0 (high) 13.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless.  Secondary metabolites: present, norstictic acid | stictic acid.  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.

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