Lambiella insularis (Nyl.) T. Sprib.

Lambiella insularis (Nyl.) T. Sprib.

in Spribille & al., Symb. Bot. Upsal., 37, 1: 25, 2015. Basionym: Lecidea insularis Nyl. - Bot. Not.: 177, 1852.

Synonyms: Biatora intumescens (Flörke ex Flot.) Hepp; Lecidea intumescens (Flörke ex Flot.) Nyl.; Lecidella intumescens (Flörke ex Flot.) Arnold; Nesolechia intumescens (Flörke ex Flot.) Sacc. & D. Sacc.; Rimularia insularis (Nyl.) Rambold & Hertel; Toninia intumescens (Flörke ex Flot.) Boistel

Distribution: N - Frl (Tretiach & Hafellner 2000), TAA (Lecid. Exs. 279: Hertel 1992b, Nascimbene & al. 2022), Lomb, Piem (Isocrono & al. 2003, 2004), VA (Piervittori & Isocrono 1999, Isocrono & al. 2008, Matteucci & al. 2015c), Emil (Tretiach & al. 2008, Fariselli & al. 2020), Lig (Brunialti & al. 1999). C - Tosc (Tretiach & al. 2008), Laz, Sar (Nöske 2000, Rizzi & al. 2011, Brackel & Berger 2019). S - Pugl, Bas (Puntillo & al. 2012, Brackel & Puntillo 2023), Cal (Puntillo 1996, Brackel & Puntillo 2023), Si (Brackel 2008b).

Description: Thallus crustose, episubstratic, areolate, grey-brown to dark brown, olivaceous in shade-forms, dull to usually somewhat shiny, up to 0.3 mm thick, often delimited by a dark prothallus, forming more or less orbicular, up to 3.5 cm wide patches on the thalli of species of the Glaucomaria rupicola-complex. Areoles contiguous, more or less rounded, convex to almost bullate, 0.2-0.5(-0.9) mm in diam., smooth, corticate. Cortex brown-pigmented above, 10-30 µm thick, overlain with a 2-10 µm thick epinecral layer; medulla white, I-. Apothecia black, lecideine, orbicular to irregular in outline, at first sunken between the areoles, then sessile, not constricted at base, 0.2-0.4(-0.6) mm across, with a flat to slightly convex, dull, epruinose disc and a thin, black, raised, flexuose, persistent proper margin. Proper exciple black-brown in outer part, colourless to brown within, 20-40 µm thick in upper part, 50-70 µm thick in lower part; epithecium olivaceous to brown, 10-15 µm thick; hymenium colourless, 50-75 µm high, I+ red; paraphyses branched and often anastomosing, c. 2 µm thick in lower part, the apical cells submoniliform, slightly swollen, c. 4 µm wide; hypothecium dark brown to black-brown, 100-230 µm high. Asci 8-spored, clavate, with a K/I+ blue tholus with a funnel-shaped central unstained region, and a small, obconical K/I+ blue dome, 35-55 x 11-15 µm. Ascospores 1-celled, at first hyaline, finally often pale brown, ellipsoid, 8-14.5 x (4-)4.5-6(-7) µm. Pycnidia black, immersed in the thallus. Conidia short-bacilliform, c. 4 x 1 µm. Photobiont chlorococcoid. Spot tests: cortex and medulla K-, C+ pink, KC+ pink (reactions often fleeting), P-, UV-. Chemistry: gyrophoric acid.

Note: a widespread holarctic lichen invading the thalli of species of the Glaucomaria rupicola-complex; contrary to the hosts, it is absent from disturbed habitats.

Growth form: Crustose

Substrata: rocks

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

paras Lecanora rupicola s.lat.

Commonnes-rarity: (info)

Alpine belt: rather common

Subalpine belt: common

Oromediterranean belt: rather rare

Montane belt: rare

Submediterranean belt: extremely rare

Padanian area: absent

Humid submediterranean belt: very rare

Humid mediterranean belt: extremely rare

Dry mediterranean belt: absent

pH of the substrata:

1

2

3

4

5

(info)

Solar irradiation:

1

2

3

4

5

(info)

Aridity:

1

2

3

4

5

(info)

Eutrophication:

1

2

3

4

5

(info)

Poleotolerance:

0

1

2

3

(info)

Altitudinal distribution:

1

2

3

4

5

6

(info)

Predictive model

Herbarium samples

P.L. Nimis CC BY-SA 4.0

TSB 5661

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (35218)
2002/07/11

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (34929)
2002/02/22
on the host, Lecanora rupicola

Andres Saag; Owner: University of Tartu

Andres Saag; Owner: University of Tartu

Domenico Puntillo; Owner: Domenico Puntillo

Italy

Pier Luigi Nimis CC BY-SA 4.0

TSB 41153

Pier Luigi Nimis CC BY-SA 4.0

TSB 41153

Pier Luigi Nimis CC BY-SA 4.0

TSB 41154

Pier Luigi Nimis CC BY-SA 4.0

TSB 41154

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (5661)
2001/11/26
on the host, Lecanora rupicola

P.L. Nimis CC BY-SA 04

TSB 42506

P.L. Nimis CC BY-SA 04

TSB 42506

P.L. Nimis CC BY-SA 04

TSB 42506

P.L. Nimis CC BY-SA 04

TSB 42507

P.L. Nimis CC BY-SA 04

TSB 42507

P.L. Nimis CC BY-SA 04

TSB 42507

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