ITALIC 7.0

Tetramelas papillatus (Sommerf.) Kalb

in Döbbeler & Rambold, Bibl. Lichenol, 88: 323, 2004. Basionym: Lecidea papillata Sommerf. - Suppl. Fl. Lapp.: 154, 1826.

Synonyms: Buellia papillata (Sommerf.) Tuck.; Buellia parasema var. papillata (Sommerf.) Th. Fr.

Distribution: N - Frl, Lomb, Piem (Isocrono & al. 2004), Lig (TSB 33479).

Description: Thallus crustose, episubstratic, rather thick, white to whitish grey, of convex to bullate, contiguous areoles, without a distinct prothallus. Apothecia lecideine, black, 0.5-1(-1.3) mm across, broadly sessile, discrete to confluent, usually abundant, with a flat to strongly convex, rarely initially pruinose disc, and a thin, soon excluded proper margin, when young often with an ephemeral thalline rim. Proper exciple dark-pigmented throughout; hymenium colourless, rarely inspersed with oil droplets, I+ blue; paraphyses branched in upper part, the apical cell swollen, with a brown cap; hypothecium dark brown. Asci 8-spored, clavate to cylindrical-clavate, the apical dome K/I+ dark blue with a pale, conical-pointed apical cushion (axial mass), the wall I-, but the thin outer gel I+ blue, Bacidia-type. Ascospores 1-septate, brown, ellipsoid, often slightly curved, 15-25 x 7-10 µm, Buellia-type, the wall uniformly thickened, finely warted. Photobiont chlorococcoid. Spot tests: thallus K+ pale yellow, C-, KC-, P- or P+ pale yellow, UV-. Chemistry: atranorin.

Note: an arctic-alpine lichen found on terricolous bryophytes, mostly above treeline, reaching the nival belt in the Alps; it is related to T. insignis.

Growth form: Crustose

Substrata: soil, terricolous mosses, and plant debris

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: very rare

Subalpine belt: extremely rare

Oromediterranean belt: absent

Montane belt: absent

Submediterranean belt: absent

Padanian area: absent

Humid submediterranean belt: absent

Humid mediterranean belt: absent

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

Index Fungorum GBIF

P.L. Nimis CC BY-SA 4.0

TSB 2463

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

Herbarium: TSB (2463)
2001/11/22