ITALIC 7.0

Arthonia insitiva (Körb.) Clauzade, Diederich & Cl. Roux

Bull. Soc. linn. Provence, num. spéc. 1: 29, 1989 comb. inval.. Basionym: Celidium insitivum Körb. - Syst. Lich. Germ: 217, 1855.

Synonyms: Celidiopsis insitiva (Körb.) A. Massal.

Distribution: N - TAA (Clauzade & al. 1989, Brackel 2016), Piem (Baglietto & Carestia 1880, Brackel 2016)

Description: Thallus inapparent, not lichenized, the hyphae developing within the thalli of species of the Lecanora subfusca-group. Apothecia arthonioid, immarginate but often surrounded by a collar deriving from the thallus of the host lichen, brown-black, rounded, with a rough surface. Proper exciple very poorly developed; epithecium brown, K-; hymenium colourless; paraphysoids distinctly swollen at apex; hypothecium brown. Asci 8-spored, broadly clavate to ovoid, semi-fissitunicate, with a large apical dome and a distinct ocular chamber, Arthonia-type. Ascospores 3-septate, at first hyaline but soon turning brown, ellipsoid, 10-12 x 6-8 μm. Photobiont absent. Spot tests: K-, C-, KC-, P-. Chemistry: without lichen substances.

Note: a lichenicolous fungus growing on species of the Lecanora subfusca-group, whose distribution in Italy is still very poorly known; all records (worldwide) are from the 19th century. .

Growth form: Lichenicolous fungus

Substrata: bark

Reproductive strategy: mainly sexual

paras Lecanora subfusca s.lat.

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: extremely rare

Oromediterranean belt: absent

Montane belt: very rare

Submediterranean belt: very rare

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