Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S.Y. Kondr.

Mitt. Inst. allg. Bot. Hamburg, 30-32: 237, 2002. Basionym: Lobaria fulva Hoffm. - Deutschl. Fl., 2: 159, 1796.
Synonyms: Oxneria fulva (Hoffm.) S.Y. Kondr. & Kärnefelt; Xanthoria candelaria f. fulva (Hoffm.) Zahlbr.; Xanthoria fulva (Hoffm.) Poelt & Petut.; Xanthoria ligustica M. Steiner ex Poelt nom. sol.
Distribution: N - VG, Frl, Ven, TAA (Thor & Nascimbene 2007, Nascimbene & al. 2007b, 2014, 2022, Zarabska & al. 2009, Nascimbene 2014, Nimis & al. 2015), Lomb, Piem (Matteucci & al. 2013), VA (Ongaro & al. 2022), Lig. C - Laz (Ravera 2006), Abr (Nimis & Tretiach 1999). S - Bas (Ravera 2014), Cal (Puntillo 1996, Eichenberger 2007, Brackel & Puntillo 2016), Si (Campisi & al. 2020).
Description: Thallus foliose, heteromerous, dorsiventral, dark orange-red, lobed, not forming regular rosettes, but thalli often coalescing to cover large surfaces. Lobes up to 2 mm long, 0.2-0.7(-1) mm wide, ascending, the tips rounded and mostly unbranched, blastidiate along most of the lower surface, the blastidia 25-30 µm diam., in marginal parts sometimes gathered into 50-60 µm wide conblastidia; rhizines or hapters few, mostly located at the base of lobes. Apothecia very rare, lecanorine, orange-red. Thalline exciple paraplectenchymatous; proper exciple a strongly gelatined plectenchyma with unoriented, short-celled hyphae; epithecium orange-brown, K+ purple-red; hymenium colourless; paraphyses simple or rarely branched, septate; hypothecium colourless or pale orange-brown. Asci 8-spored, clavate, functionally unitunicate, apically thickened with a broad internal beak, the inner part of apex and external cap I+ blue, Teloschistes-type. Ascospores 2-celled, polarilocular, hyaline, broadly ellipsoid, with broadly rounded ends, 13.5-17.5 x 8-10.5 µm, the equatorial thickening (“septum”) 4-6.5 µm. Pycnidia common, darker orange than thallus, immersed into thalline warts. Conidia baciliform, 3-4.5 x 0.9-1.2 µm. Photobiont chlorococcoid. Spot tests: upper surface K+ purple-red, C-, KC-, P-, UV+ orange. Chemistry: parietin (major), fallacinal (major), emodin, teloschistin (major) and parietinic acid (chemosyndrome A3 of Søchting 1997).
Note: most frequent on isolated deciduous trees along roads in continental Alpine valleys; often confused with X. fallax in the past, and with a similar ecology, but perhaps more xerophytic. Luxuriant specimens can be very difficult to distinguish from X. oregana.
Growth form: Foliose, narrow lobed
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Subcontinental: restricted to areas with a dry-subcontinental climate (e.g. dry Alpine valleys, parts of Mediterranean Italy)

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: rare
Padanian area: absent
Humid submediterranean belt: extremely rare
Humid mediterranean belt: absent
Dry mediterranean belt: absent

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model
Herbarium samples

Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 15950


Antonio Valero; Owner: Antonio Valero
Spain
2010


Antonio Valero; Owner: Antonio Valero
Spain
2010


Antonio Valero; Owner: Antonio Valero
Spain
2010


Antonio Valero; Owner: Antonio Valero
Spain
2010


Antonio Valero; Owner: Antonio Valero
Spain
2010



PL Nimis; Owner: PL Nimis
2010



PL Nimis; Owner: PL Nimis
2010


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



Andrea Moro; Owner: Department of Life Sciences, University of Triedte
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst, Rocca di Monrupino
20/02/2017



Andrea Moro; Owner: Department of Life Sciences, University of Triedte
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst, Rocca di Monrupino
20/02/2017



Andrea Moro; Owner: Department of Life Sciences, University of Triedte
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst, Rocca di Monrupino
20/02/2017



Andrea Moro; Owner: Department of Life Sciences, University of Triedte
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst, Rocca di Monrupino
20/02/2017


Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 15950


Leif Stridvall - Courtesy: Anita Stridvall - Source: http://www.stridvall.se/lichens/gallery/


Leif Stridvall - Courtesy: Anita Stridvall - Source: http://www.stridvall.se/lichens/gallery/


Leif Stridvall - Courtesy: Anita Stridvall - Source: http://www.stridvall.se/lichens/gallery/



Pier Luigi Nimis - CC BY-SA 4.0
TSB 37446



P.L. Nimis CC BY-SA 4.0
TSB 37446



P.L. Nimis CC BY-SA 4.0
TSB 37446



P.L. Nimis CC BY-SA 4.0
TSB 37446



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 37446



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 37446



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 37446



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 37446



P.L. Nimis CC BY-SA 4.0
TSB 37446


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_X/Textes_X1/Xanthomendoza_fulva.htm
France, juin 2014 - sur Salix - Parc de la Vanoise - Savoie


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_X/Textes_X1/Xanthomendoza_fulva.htm
France, juin 2014 - sur Salix - Parc de la Vanoise - Savoie


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_X/Textes_X1/Xanthomendoza_fulva.htm
France, juin 2014 - sur Salix - Parc de la Vanoise - Savoie


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_X/Textes_X1/Xanthomendoza_fulva.htm
France, juin 2014 - sur Salix - Parc de la Vanoise - Savoie


Ulrich Kirschbaum
Central Europe; Germany. (Coll/ident: Eichler/Cezanne).


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Marta Gonzalez Garcia - Centro de Estudios Micologicos Asturianos
Spain, Aviados (León), 18-VII-2024, sobre corteza de Populus sp. leg. & det. M. González.


Naira Sargsyan - Institute of Botany A. Takhtajyan, Yerevan CC BY-SA 4.0
Armenia


Source: Lindblom, L., Blom, H. H. & Timdal, E. 2019. The genus Xanthomendoza in Norway. Graphis Scripta 31 (7): 54–75. Oslo. ISSN 2002-4495 - CC BY-4.0
Xanthomendoza fulva. Field photograph of O-L-135112, Norway, Buskerud, Hole. Scale bar: 2 mm. Photo: E. Timdal 2004-10-20.


Wolfgang von Brackel - CC BY-4.0
Czech republic, Prameny bei Mariánské Lázně


Wolfgang von Brackel - CC BY-4.0
Czech republic, Prameny bei Mariánské Lázně



Felix Schumm - CC BY-SA 4.0
[VZR160], Italia. Calabria. Cosenza, Sila Grande in loco Camigliatello Silano dicto, 1180 m. Ad corticem Populi nigrae. Leg. & det. D. Puntillo, 19.6.1994. EX A. VEZDA: LICHENES RARIORES EXSICCATI NR. 160.



Felix Schumm - CC BY-SA 4.0
[VZR160], Italia. Calabria. Cosenza, Sila Grande in loco Camigliatello Silano dicto, 1180 m. Ad corticem Populi nigrae. Leg. & det. D. Puntillo, 19.6.1994. EX A. VEZDA: LICHENES RARIORES EXSICCATI NR. 160.



Felix Schumm - CC BY 4.0
[VZ1222], Germania. Baden. Schwarzwald, Breitnau, 1000 m. Ad corticem Aceris pseudoplatani. Leg, V. Wirth, 2.1873 as Xanthoria canelaris, corr. as Xanthoria fulva by J. Poelt et Petutschnig 1990. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1222. - As Xanthoria fulva



Felix Schumm - CC BY 4.0
[VZ1222], Germania. Baden. Schwarzwald, Breitnau, 1000 m. Ad corticem Aceris pseudoplatani. Leg, V. Wirth, 2.1873 as Xanthoria canelaris, corr. as Xanthoria fulva by J. Poelt et Petutschnig 1990. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1222. - As Xanthoria fulva



Felix Schumm - CC BY 4.0
[VZ2500], Germania. Bavaria: Berte4sgadener Land, Unterschönau, Astenreitweg - Zulehenweg, 620 m. Ad truncum Aceris pseudoplatani, Leg. R. Türk & H. Wunder, 30.4.1991, det. J. Poelt et W. Petutschnig. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2500. - As Xanthoria fulva



Felix Schumm - CC BY 4.0
[VZ2500], Germania. Bavaria: Berte4sgadener Land, Unterschönau, Astenreitweg - Zulehenweg, 620 m. Ad truncum Aceris pseudoplatani, Leg. R. Türk & H. Wunder, 30.4.1991, det. J. Poelt et W. Petutschnig. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2500. - As Xanthoria fulva