Montanelia panniformis (Nyl.) Divakar, A. Crespo, Wedin & Essl.

Am. J. Bot., 99: 2023, 2012. Basionym: Parmelia olivacea var. panniformis Nyl. - Herb. Mus. Fenn.: 83, 1859.
Synonyms: Melanelia panniformis (Nyl.) Essl.; Parmelia crustificans Hilitzer; Parmelia pannariiformis (Lamy) Vain.; Parmelia panniformis (Nyl.) Vain.; Parmelia panniformis var. pulvinata Hillmann
Description: Thallus foliose, heteromerous, dorsiventral, adnate to loosely adnate, usually more or less panniform and sometimes pulvinate, up to 7(-10) cm in diam., the individual thalli sometimes coalescing into larger patches. Primary lobes discrete to imbricate, (0.3-)0.5-1(-1.5) mm wide, mostly flat, the central parts of thallus with crowded, imbricate, spherical to clavate, simple or slightly branched, small (< 1 mm wide) lobules resembling isidia. Upper surface olive-brown to dark brown, smooth to weakly pitted and sometimes slightly pruinose at the periphery, without pseudocyphellae on the primary lobes, sometimes with obscure pseudocyphellae near the ends of lobules. Lower surface brown to black, paler at the periphery; smooth to irregularly wrinkled, with dark, mostly simple rhizines. Upper cortex paraplectenchymatous, with a non-pored epicortex, the cell walls containing isolichenan; medulla white; lower cortex paraplectenchymatous. Apothecia rare, lecanorine, up to 3 mm across, sessile, with a concave to flat disc and a papillate to lobulate thalline margin. Epithecium brown; hymenium and hypothecium colourless. Asci 8-spored, clavate, Lecanora-type. Ascospores 1-celled, hyaline, ellipsoid, 9-12 x 4.5-7 µm. Pycnidia common, black, immersed. Conidia thickened at both ends, 4-7 x c. 1 µm. Photobiont chlorococcoid. Spot tests: upper cortex K-, C-, KC-, P-, N-; medulla K-, C-, KC- or rarely KC+ faintly pink, P-, UV+ white. Chemistry: medulla with perlatolic and stenosporic acids (major).
Growth form: Foliose, broad lobed
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by thallus fragmentation

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: extremely rare
Montane belt: extremely rare
Dry submediterranean belt: extremely rare
Humid submediterranean belt: absent
Padanian area: absent

pH of the substrata:

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Rarity

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Predictive map

Curtis Randall Björk CC BY-SA 4.0
Ballenas Island, British Columbia, Canada


P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9051)
2001/12/05


Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 5029 as Parmeli pannariiformis


Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 9091


Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php


Felix Schumm - CC BY-SA 4.0
[20327], Austria, Salisburgia, Lungau, Schladminger Tauern, in valle Lessachtal, loco Lasshofer Hütte dicto, 1300-1400 m, ad saxa silicea. Leg. A. Vezda, 9.9.1981. A. VEZDA: LICHENES SELECTI EXSICCATI NR. 1870


Felix Schumm - CC BY-SA 4.0
[20327], Austria, Salisburgia, Lungau, Schladminger Tauern, in valle Lessachtal, loco Lasshofer Hütte dicto, 1300-1400 m, ad saxa silicea. Leg. A. Vezda, 9.9.1981. A. VEZDA: LICHENES SELECTI EXSICCATI NR. 1870


Felix Schumm - CC BY-SA 4.0
[20327], Austria, Salisburgia, Lungau, Schladminger Tauern, in valle Lessachtal, loco Lasshofer Hütte dicto, 1300-1400 m, ad saxa silicea. Leg. A. Vezda, 9.9.1981. A. VEZDA: LICHENES SELECTI EXSICCATI NR. 1870


Felix Schumm - CC BY-SA 4.0
[20331], Bohemia meridionalis, Montes Šumava (Gabreta), Kašperské vrchy, distr. Prachatice, Rejštejn, in valle rivi Losenice, in pede montis Šafá v vršek, 820 m, moles saxorum, ad saxa silicea. Leg. J. Kocourková & A. Vezda, 20.10.1999. A. VEZDA: LICHENES RARIORES EXSICCATI NR. 405


Felix Schumm - CC BY-SA 4.0
[20331], Bohemia meridionalis, Montes Šumava (Gabreta), Kašperské vrchy, distr. Prachatice, Rejštejn, in valle rivi Losenice, in pede montis Šafá v vršek, 820 m, moles saxorum, ad saxa silicea. Leg. J. Kocourková & A. Vezda, 20.10.1999. A. VEZDA: LICHENES RARIORES EXSICCATI NR. 405


Felix Schumm - CC BY-SA 4.0
[20331], Bohemia meridionalis, Montes Šumava (Gabreta), Kašperské vrchy, distr. Prachatice, Rejštejn, in valle rivi Losenice, in pede montis Šafá v vršek, 820 m, moles saxorum, ad saxa silicea. Leg. J. Kocourková & A. Vezda, 20.10.1999. A. VEZDA: LICHENES RARIORES EXSICCATI NR. 405
p: perlatolic acid, at: atranorin (trace)


P.L. Nimis - CC BY-SA 4.0
TSB 42001


Pier Luigi Nimis - CC BY-SA 4.0
TSB 44003


Pier Luigi Nimis - CC BY-SA 4.0
TSB 44003


Courtesy Philippe Blaise - Source: https://likenoj.ch/index.php/samples/865
Switzerland


Wolfgang von Brackel - CC BY-4.0
Czech Republic, Stribro


Wolfgang von Brackel - CC BY-4.0
Greenland, Qanassiassat