Buellia tesserata Körb.

Parerga Lichenol.: 189, 1860.
Synonyms: Buellia cerussata Llimona & Werner; Buellia fimbriata (Tuck.) Sheard; Rinodina radiata var. fimbriata Tuck.
Distribution: N - Lomb. C - Tosc, Sar (Scheidegger 1993, Nöske 2000, Rizzi & al. 2011).
Description: Thallus crustose, areolate, white, pale bluish grey or rarely grey-brown, delimited by a black, fimbriate prothallus. Medulla I-. Apothecia lecideine or cryptolecanorine, 0.2-0.5 mm across, immersed in the areoles with a black, often whitish-pruinose, flat to convex disc, and a thin, often finally excluded proper margin. Proper exciple poorly differentiated, aethalea-type, the outer hyphae parallel, moderately swollen, and usually strongly carbonized; epithecium brown, N-, with crystals soluble in K; hymenium colourless, not inspersed with oil droplets; paraphyses simple to sparingly branched, the apical cells swollen, to 6 µm wide, with a brown cap; hypothecium dark reddish brown. Asci 8-spored, clavate, Bacidia-type. Ascospores 1-septate, not or slightly constricted at septum, brown, oblong to ellipsoid with obtuse ends, 9-12 x 4-6.5 µm, the wall with a distinctly regulate ornamentation, Buellia-type. Pycnidia infrequent, black. Conidia bacilliform, 6-11 x c. 1 µm. Photobiont chlorococcoid. Spot tests: medulla K+ yellow-brown, rarely K+ red (crystals), C- or rarely C+ fleeting pink, KC-, rarely KC+ brownish orange or fleeting pink, P- or rarely P+ faintly yellow, UV-. Chemistry: atranorin and chloroatranorin, divaricatic, nordivaricatic, and 3-chlorodivaricatic acid, rarely also with norstictic, cryptostictic, and stictic acids.
Note: a xeric subtropical, widely distributed lichen of hard siliceous rocks, mostly near the coast; related to Dimelaena radiata.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Taxon bound to maritime-coastal situations

Commonnes-rarity: (info)

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


pH of the substrata:

(info)

1

2

3

4

5

Solar irradiation:

(info)

1

2

3

4

5

Aridity:

(info)

1

2

3

4

5

Eutrophication:

(info)

1

2

3

4

5

Poleotolerance:

(info)

0

1

2

3

Altitudinal distribution:

(info)

1

2

3

4

5





Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)


Harrie Sipman – Source http://www.bgbm.fu-berlin.de/sipman/Zschackia/AegeanLichens/CaloplacaAC.htm - As Caloplaca oasis



Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm; Owner: CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)



Felix Schumm - CC BY-SA 4.0
[TSB_12870], Italy, Tuscany, Prov. Livorno, Island of Capraia, loc. Trottolo, 30 m, on tuff. Leg. P.L. Nimis, M. Tretiach & M. Castello, 04.1988. Rev. Ch. Scheidegger as Buellia fimbriata (Tuck.) Sheard, Bryologist 72: 221 (1969)