Dermatocarpon meiophyllizum Vain.  
Family: Verrucariaceae
[Dermatocarpon bachmannii var. inundatum Klem., moreDermatocarpon meiophyllum Vain., Dermatocarpon miniatum var. leptophyllum , Placidiopsis meiophylliza (Vain.) ServĂ­t]
Dermatocarpon meiophyllizum image
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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: peltate, umbilicate | foliose (foliaceous), leaf-like; [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown; [th upper surface]: epruinose | pruinose; [th upper surface] pruina: scarce, sparse, fine; [th marginal and upper surface] specific structures: absent; [th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | black(ish) brown; [th lower surface] specific structures: absent; [th] medulla amyloidity: absent.  Ascomata: absent | present; ascoma: perithecial, perithecioid – hymenial; [ascm] paraphyses/-oids: absent.  Asci: fissitunicate – verrucarialean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): absent.  Ascospores: (median) 8.0; [asp] length [µm]: (min) 10.0 (low) 14.0 (high) 20.0 (max) 25.0; [asp] width [µm]: (min) 5.0 (low) 6.5 (high) 9.0 (max) 10.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Secondary metabolites: absent.  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.

Dermatocarpon meiophyllizum
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Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Christopher M. Maves
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
Dermatocarpon meiophyllizum image
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This project made possible by National Science Foundation Awards: #1115116