ITALIC 8.0

Gyalectidium puntilloi Sérus.

in Ferraro & al., Bot. J. Linn. Soc., 137: 341, 2001.

Synonyms:

Distribution: S - Camp (Puntillo & al. 2000, Puntillo 2000, Ferraro & al. 2001, Puntillo & Puntillo 2011, Ravera & al. 2015c).

Description: Thallus crustose, episubstratic, distinctly areolate, with whitish, applanate, polygonal clusters of crystals separated by thin, greenish thalline parts, forming 1-2(-3) mm wide, rounded or irregular patches. Hyphophores submarginal, their scales small, emerging on the outer edges of the areoles, obliquely orientated, squamiform but usually distorted and irregularly laciniate, 0.05-0.08 mm long, 0.07- 0.15 mm broad, pale greyish or whitish, sometimes with a bluish tinge at the base. Apothecia very rare, incompletely developed, rounded, 0.1-0.2(-0.25) mm across, with a pale to brown disc and a prominent, whitish to grey proper margin. Ascospores and pycnidia not known. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.

Note: a recently-described foliicolous species known only from Southern Italy and the Pyrenees, where it grows in very humid and warm sites. It is included in the Italian red list of epiphytic lichens as “Critically Endangered” (Nascimbene & al. 2013c).

Growth form: Crustose

Substrata: leaves

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly asexual, by conidia and thalloconidia

Restricted to humid-warm, oceanic areas

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

Oromediterranean belt: absent

Montane belt: absent

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

D. Puntillo CC BY-SA 4.0

Domenico Puntillo; Owner: Domenico Puntillo

Italy

Domenico Puntillo - CC BY-SA 4.0

Italy, Calabria