ITALIC 7.0

Ramonia luteola Vězda

Folia Geobot. Phytotaxon., 2: 311, 1967.

Synonyms:

Distribution: N - Emil (Loppi & al. 2004c, Fariselli & al. 2020). C - Tosc (Senese & Critelli 2000, Loppi & al. 2004c), Abr (Gheza & al. 2021).

Description: Thallus crustose, ecorticate, greenish white, finally often disappearing. Apothecia circular in outline, semi-immersed to superficial, pale yellow, at first almost perithecioid and opening through a minute pore, later widening to 0.3-0.5 mm. Proper exciple more or less colourless, of angular cells; hymenium colourless, I-, K/I- or I+ blue in upper part; paraphyses unbranched, slender, 1.5-2 mm thick, the apical cells slightly thicker; hypothecium colourless. Asci 8-spored, clavate to cylindrical, rounded at apex, thin-walled, with an amyloid exoascus without a ring structure. Ascospores 7-septate, hyaline, fusiform, 20-27 x 4-6 µm, with a thick gelatinous perispore. Photobiont trentepohlioid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.

Note: on trunks of deciduous trees in humid and shaded situations; hitherto known from humid areas of Central Europe. It likely belongs to Karstenia (see Cannon & al. 2024). It is included in the Italian red list of epiphytic lichens as “Vulnerable” (Nascimbene & al. 2013c).

Growth form: Crustose

Substrata: bark

Photobiont: Trentepohlia

Reproductive strategy: mainly sexual

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: extremely rare

Submediterranean belt: absent

Padanian area: absent

Humid submediterranean belt: extremely rare

Humid mediterranean belt: extremely 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

Herbarium samples

Index Fungorum GBIF

P.L. Nimis CC BY-SA 4.0

TSB 30827

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

Herbarium: TSB (30827)
2002/05/13