Naevia dispersa (Schrad.) Thiyagaraja, Lücking & K.D. Hyde

in Thiyagaraja & al., Fungal Diversity: 13, 2020.. Basionym: Opegrapha dispersa Schrad. - Ann. der Botanik (Usteri), 22: 86, 1797.
Synonyms: Arthonia astroidea var. anastomosans (Ach.) Ach.; Arthonia astroidea var. epipasta (Ach.) Nyl.; Arthonia astroidea var. epipastoides Leight.; Arthonia cytisi A. Massal.; Arthonia dispersa (Schrad.) Dufour; Arthonia ectropoma (A. Massal.) Trevis.; Arthonia epipasta (Ach.) Körb.; Arthonia epipasta f. ribis Bagl. & Carestia; Lecideopsis cytisi (A. Massal.) Dalla Torre & Sarnth.
Distribution: N - VG, Frl, Ven (Sundin 1999, Lazzarin 2000b), TAA (Nascimbene & al. 2007b), Lomb (Sundin 1999), Piem (Piervittori 2003, Isocrono & al. 2004, 2007), VA (S-F71847), Emil (Fariselli & al. 2020), Lig. C - Tosc (Benesperi & al. 2007), Marc (Nimis & Tretiach 1999), Laz (Ravera & al. 1999, Munzi & al. 2007), Abr. S - Pugl (TSB 22629), Cal (CLU 16331).
Description: Thallus crustose, endosubstratic, poorly evident, smooth, whitish, without a distinct prothallus. Apothecia arthonioid, immarginate, black, epruinose, flat to weakly convex, elongated, simple or branched, immersed to semi-sessile, 0.3-1 x 0.1-0.2 mm. Proper exciple poorly developed, dark olivaceous brown, c. 10 µm wide; epithecium dark olivaceous brown to blackish green, K-; hymenium colourless, 30-40 µm high, I+ blue-red, K/I+ blue; paraphysoids richly branched, c. 1 µm thick, the apical cells 2-2.5 µm wide, with a distinct pigmented cap; hypothecium colourless. Asci 8-spored, broadly ovoid, semi-fissitunicate, with a large apical dome and a distinct ocular chamber, chamber, the apex with a K/I+ blue ring-structure, Arthonia-type. Ascospores 1-septate, hyaline, often slightly constricted at septum, with an epispore, 9-15 x 3-5 µm. Pycnidia black, immersed, the wall olivaceous brown. Conidia bacilliform, straight, 3-5 x 0.5-1 µm. Photobiont trentepohlioid. Spot tests: K-, C-, KC-, P-. Chemistry: without lichen substances.
Note: a holarctic species found on smooth, nutrient-rich bark, e.g. of Fraxinus.
Growth form: Crustose
Substrata: bark
Photobiont: Trentepohlia
Reproductive strategy: mainly sexual
Pioneer species

Commonnes-rarity: (info)

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

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


G. Incerti CC BY-SA 4.0
TSB 31603



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (10167)
2001/11/21



G. Incerti; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (31603)
2001/11/26



Domenico Puntillo; Owner: Domenico Puntillo
Italy



Domenico Puntillo; Owner: Domenico Puntillo
Italy



Andrea Moro; Owner: Department of Life Sciences, University of Trieste
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante, on Fraxinus ornus
16/02/2017



Andrea Moro; Owner: Department of Life Sciences, University of Trieste
Italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante
16/02/2017


Photo by Maria Zardini, Museo di Storia Naturale di Venezia CC BY-SA 4.0
Trevisan Lichenotheca Veneta 201


Photo by Maria Zardini, Museo di Storia Naturale di Venezia CC BY-SA 4.0
Trevisan Lichenotheca Veneta 201


Redinger, K. (1938) Arthoniaceae, Graphidaceae . In Kryptogamen-Flora von Deutschland, Österreich und der Schweiz. Band 9, 2 Abt., Part 1 (G. L. Rabenhorst, ed.): 181–404. Leipzig: Borntraeger



G. Incerti; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (31603)
2001/11/26


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_A/Textes_A3/Arthonia_dispersa.htm
France, Barbotan les Thermes, Lac de l'uby Hajet, alt. 138 m  sur rhytidome crevassé d'Eucalyptus - Cazaubon - Gers
11/4/2015


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_A/Textes_A3/Arthonia_dispersa.htm
France, Barbotan les Thermes, Lac de l'uby Hajet, alt. 138 m  sur rhytidome crevassé d'Eucalyptus - Cazaubon - Gers
11/4/2015


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_A/Textes_A3/Arthonia_dispersa.htm
France, Barbotan les Thermes, Lac de l'uby Hajet, alt. 138 m  sur rhytidome crevassé d'Eucalyptus - Cazaubon - Gers
11/4/2015


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_A/Textes_A3/Arthonia_dispersa.htm
France, Barbotan les Thermes, Lac de l'uby Hajet, alt. 138 m  sur rhytidome crevassé d'Eucalyptus - Cazaubon - Gers
11/4/2015