ITALIC 7.0

Thelidium subrimulatum (Nyl.) Zschacke

Hedwigia, 62: 138, 1921. Basionym: Verrucaria subrimulata Nyl. - Flora, 57: 316, 1874.

Synonyms: Thelidium opacum J. Lahm

Distribution: N - VG (TSB 36838), Frl, Lig.

Description: Thallus crustose, thinly episubstratic, continuous to finely fissured, grey to grey-brown. Perithecia black, (0.2-)0.3-0.5 mm across, largely immersed in the thallus. Involucrellum thick, reaching almost the base of the perithecium, diverging from exciple especially in lower part; exciple mostly colourless; hamathecium of periphyses and periphysoids, interascal filaments absent; hymenial gel I+ red (I+ blue at very low concentrations of I), K/I+ blue. Asci 8-spored, narrowly ellipsoid to clavate, I-, fissitunicate, the wall thickened above, with an ocular chamber, dehiscent by extrusion of a delicate rostrum. Ascospores 1-3-septate, hyaline, ellipsoid, 20-36 x 8-17 μm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.

Note: this species, described from the Pyrenees, has been collected from very few localities in upland areas of southern Europe, on limestone and calcareous schists.

Growth form: Crustose

Substrata: rocks

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: very rare

Subalpine belt: very rare

Oromediterranean belt: absent

Montane belt: very rare

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

E. Pittao CC BY-SA 04

TSB 16806

Elena Pittao - CC BY-SA 4.0

Herbarium: TSB 16806