Rinodina aspersa (Borrer) J.R. Laundon

Rinodina aspersa (Borrer) J.R. Laundon

Lichenologist, 18: 175, 1986. Basionym: Lecanora aspersa Borrer in Hooker & Sowerby - Engl. Bot. Suppl. 2: tab. 2728, 1832.

Synonyms: Buellia aspersa (Borrer) P. James; Helmutiopsis aspersa (Borrer) S.Y. Kondr., Lőkös & Hur; Rinodina atrocinerea var. fatiscens (Th. Fr.) Clauzade & Cl. Roux; Rinodina exigua f. fatiscens Th. Fr.; Rinodina fatiscens (Th. Fr.) Vain.

Distribution: N - Piem (Nascimbene & al. 2021). C - Tosc (Ravera & al. 2018b), Sar.

Description: Thallus crustose, episubstratic, areolate-verrucose, the areoles up to 0.5 mm wide, pale grey, whitish or pale brown, sorediate, forming orbicular, sometimes confluent patches usually delimited by a conspicuous, sometimes fimbriate, black prothallus. Medulla white, I-. Soralia punctiform, developing from verrucose areoles, flat to convex, up to 0.5(-1) mm across, whitish, greenish grey to yellowish grey, with farinose soredia. Apothecia rare, lecanorine, sessile, 0.5-1 mm across, with a black to brown, epruinose disc and a thick, persistent thalline margin. Epithecium reddish brown; hymenium colourless, 80-100 μm high; paraphyses c. 1.5 μm thick at mid-level, the apical cells 4-6 μm wide, with a brown cap; hypothecium colourless, up to 100 μm high. Asci 8-spored, clavate, the K/I+ blue tholus penetrated by a faintly amyloid apical cushion with parallel or diverging flanks, the wall K/I-, surrounded by a K/I+ blue outer layer, Lecanora-type. Ascospores 1-septate, brown, broadly ellipsoid, 15-20 x 10-13 μm, Pachysporaria-type. Photobiont chlorococcoid. Spot tests: thallus/soralia K+ pale yellow, C+ red, KC+ red, P- or P+ pale yellow, UV-. Chemistry: atranorin, gyrophoric (with lecanoric and orsellinic), ovoic, umbilicaric and 5-0-methylhiascic acids.

Note: on hard siliceous rocks near the ground in cold-humid habitats, sometimes (but not in Italy) on walls, mostly below the montane belt.

Growth form: Crustose

Substrata: rocks

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: absent

Oromediterranean belt: absent

Montane belt: absent

Submediterranean belt: absent

Padanian area: absent

Humid submediterranean belt: rare

Humid mediterranean belt: very 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

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

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

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Nere Sorrentino

Spain, Galicia, Crecente (Pontevedra), c. 200 m

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_R/Textes_R/Rinodina_aspersa_aspersa.htm

France, 8/3/2014 - Quenza, alt. 158 m - Corse

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_R/Textes_R/Rinodina_aspersa_aspersa.htm

France, 8/3/2014 - Quenza, alt. 158 m - Corse

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_R/Textes_R/Rinodina_aspersa_aspersa.htm

France, 8/3/2014 - Quenza, alt. 158 m - Corse

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Monts d'Arree

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Monts d'Arree

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Monts d'Arree

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Monts d'Arree

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Menez-Kador

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Menez-Kador

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Menez-Kador

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Menez-Kador

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Morgat

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Morgat

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Morgat

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Crozon

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Crozon

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Crozon

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=164&lang=en

France, Crozon

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