Loxospora elatina (Ach.) A. Massal.

Ric. Auton. Lich. Crost.: 138, 1852. Basionym: Lecanora elatina Ach. - Lichenogr. Univ.: 387, 1810.
Synonyms: Haematomma elatinum (Ach.) A. Massal.; Lecanora lutescens Ach.; Pseudographis elatina (Ach.) Nyl.
Description: Thallus crustose, mostly episubstratic, continuous to minutely verrucose or tuberculate in young parts, sorediate, often delimited by a whitish, felty prothallus, forming regular to irregular, up to 10 cm (or more) wide patches. Esorediate surface grey or bluish grey, rarely yellowish; soralia bursting from the apices of basally constricted tubercles, yellowish white, grey-green, yellowish green or pale green, subglobose, 1-2 mm wide, often finally irregular, diffuse and finally often coalescing into granular-sorediate patches covering large areas. Soredia mostly coarse, 25-55 μm in diam., often gathered into globose, up to 80 μm (or more) wide consoredia. Medulla mostly distinct, white. Apothecia rare, lecanorine, 0.5-1.5 mm across, sessile or substipitate, usually constricted at base, with a reddish brown, sometimes pruinose, flat to finally convex disc and a thin, sorediate, finally excluded thalline margin. Proper exciple thin, brownish; epithecium brownish, inspersed with crystals, K-; hymenium colourless, I+ blue; paraphyses mostly simple, rather lax, not or slightly swollen at tips; hypothecium colourless to pale brown. Asci 8-spored, with a uniformly amyloid apical dome. Ascospores 2-5-septate, hyaline, fusiform to narrowly ellipsoid, spirally arranged in the asci, 35-50 x 4-5 µm. Pycnidia rare, immersed, with a colourless wall. Conidia bacilliform. Photobiont chlorococcoid. Spot tests: thallus and soralia K+ rapidly bright lemon yellow, C-, KC+ yellow, P+ yellow-orange (slow reaction), UV-. Chemistry: thamnolic acid (major), elatinic acid (mainly in the soralia, minor), squamatic acid (trace).
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)

Commonnes-rarity: (info)

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

pH of the substrata:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

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Occurrence data
Predictive map

Wolfgang von Brackel - CC BY-4.0
Germany, Bavaria, Oberallgäu


Felix Schumm - CC BY-SA4.0
[20892]. Germany, Baden-Württemberg, Main-Tauber district, 32 km SW of Würzburg, 8 km S of the centre of Tauberbischofsheim, 1.5 km SW of the centre of Lauda-Königshofen,Becksteiner Buckel, 49°33'17'' N, 9°41'38'' E, 325 m, on bark of Abies alba. Leg. R. Türk (no 57323), 6.5.2016, det. R. Türk. TLC: thamnolic acid, elatinic acid, anal. by Obermayer, 557/01 & 02. DUPLA GRAEC. LICH. 1148


P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (8255)
2001/11/26


Andres Saag; Owner: University of Tartu


P.L. Nimis CC BY-SA 4.0
TSB 38859


P.L. Nimis CC BY-SA 4.0
TSB 37338


P.L. Nimis CC BY-SA 4.0
TSB 37338


P.L. Nimis CC BY-SA 4.0
TSB 41255


P.L. Nimis CC BY-SA 4.0
TSB 38769


P.L. Nimis CC BY-SA 4.0
TSB 37964


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Loxospora_elatina.htm
France, Chezery-Forens - Ain - (01) - sur écorce d'Abies
8/9/2018


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Loxospora_elatina.htm
France, Chezery-Forens - Ain - (01) - sur écorce d'Abies
8/9/2018


Alain Gerault - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Alain Gerault - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=467&lang=en
France, Landévennec


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Central Europe: Germany. (Coll/ident: Eichler/Cezanne).


Source: Ptach-Styn Ł, Guzow-Krzemińska B, Lendemer JC, Tønsberg T, Kukwa M (2024) MycoKeys 102: 155-181 - CC BY-4.0
Morphology of Loxospora elatina (for details of specimens, see Table 1, Suppl. material 3) A, B thalli with tuberculate areoles and irregular and partly fused soralia (A UGDA L-47757 B UGDA L- 47762) C thallus with soralia bursting from areoles and later fused (UGDA L-47761) D soralia covering most parts of the thallus (UGDA L-47760) E, F apothecia with sorediate or esorediate margins (O L-97759). Scale bars: 1 mm.


Felix Schumm - CC BY-SA4.0
[20892]. Germany, Baden-Württemberg, Main-Tauber district, 32 km SW of Würzburg, 8 km S of the centre of Tauberbischofsheim, 1.5 km SW of the centre of Lauda-Königshofen,Becksteiner Buckel, 49°33'17'' N, 9°41'38'' E, 325 m, on bark of Abies alba. Leg. R. Türk (no 57323), 6.5.2016, det. R. Türk. TLC: thamnolic acid, elatinic acid, anal. by Obermayer, 557/01 & 02. DUPLA GRAEC. LICH. 1148


Felix Schumm - CC BY 4.0
[ VZ2007], Magna Britannia. Southampton, New Forest, Frawewood. Ad corticem Quercus. Leg. E. Sérusiaux (6282( et F. Rose, 5.1984. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2007.


Felix Schumm - CC BY 4.0
[ VZ2007], Magna Britannia. Southampton, New Forest, Frawewood. Ad corticem Quercus. Leg. E. Sérusiaux (6282( et F. Rose, 5.1984. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2007.


Zahlbruckner A. 1926. Lichenes (Flechten). In: Engler A. (ed.): Die natürlichen Pflanzenfamilien. 2nd ed., vol 8, W. Engelmann, Leipzig, 270 pp.