ITALIC 8.0

Protoblastenia geitleri Zahlbr.

Annls Mycol., 34: 173, 1936.

Synonyms:

Distribution: N - Frl (TSB 20344).

Description: Thallus crustose, endosubstratic, continuous or rarely finely cracked, pale grey to grey-white, most often inconspicuous. Apothecia 0.3-0.6 mm across, sessile, slightly to strongly constricted at base, not immersed in pits, with a convex, dark red-brown disc and a thin, soon excluded proper margin. Proper exciple poorly developed, of colourless, branched hyphae; epithecium orange-red, 15-25 µm high, with granular crystals reacting K+ red; hymenium patchily carmine red, 80-100 µm high, hemiamyloid; paraphyses coherent, sparingly branched and anastomosing, 2-3.5 µm thick, the apical cells slightly swollen; hypothecium carmine red to violet-red, patchily pigmented. Asci 8-spored, elongate-clavate, with a thin, outer amyloid layer and a thickened tholus penetrated by a tube, the sides of which stain I/KI+ deep blue, Porpidia-type. Ascospores 1-celled, hyaline, globose, 9-10 µm, without a distinct perispore. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; apothecia K+ red. Chemistry: apothecia with anthraquinones, mainly parietin.

Note: a species resembling P. cyclospora in the subglobose ascospores, but with red-brown apothecia with a red-violet hypothecium; on calcareous rocks (dolomite); so far only known from the Eastern Alps (Austria, Italy).

Growth form: Crustose endolithic

Substrata: rocks

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

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

Index Fungorum GBIF

P.L. Nimis CC BY-SA 04

TSB 16801

Pier Luigi Nimis

TSB 16801

Pier Luigi Nimis

TSB 16801

Pier Luigi Nimis

TSB 16801

Pier Luigi Nimis

TSB 16801

Pier Luigi Nimis

TSB 16801