ITALIC 8.0

Lecidea hypopta Ach.

Meth. Lich.: 61, 1803.

Synonyms: Biatora hypopta (Ach.) Räsänen; Lecanora hypopta (Ach.) Vain.; Lecanora subintricata var. convexula Arnold

Distribution: N - TAA (Nascimbene & al. 2006e), Piem. C - Tosc (Benesperi & Lastrucci 2007, Giordani & al. 2009, Lastrucci & al. 2009), Abr (Stofer 2006), Sar (Zedda 2002). S - Cal (Nimis & Puntillo 2003, Puntillo 2011)

Description: Thallus crustose, white to olivaceous grey, smooth to finely granulose or verrucose, sometimes poorly evident. Apothecia cryptolecanorine to biatorine, up to 0.6 mm across, broadly adnate, with a strongly convex, brown-black to black disc and a thin, soon excluded margin. Thalline exciple corticate, the cortex, especially in the basal part, with many black granules, the medulla without algae or with a few algae at the base only; epithecium bluish-green or reddish brown, without granules; hymenium colourless, 40-80 µm high, I+ blue; paraphyses coherent, the apical cells up to c. 4 µm wide; hypothecium colourless. Asci 8-spored, Micarea-type, the tholus with a thin, I+ dark blue tubular structure. Ascospores 1-celled, hyaline, ellipsoid to narrowly ellipsoid, 7-12(-16) x 3-6 µm. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.

Note: on hard lignum, especially on decorticated stumps, more rarely on the bark of conifers in upland areas. According to Prinzen (in litt.), specimens identified as L. hypopta often belong to Lecanora hypoptoides or similar species (e.g. L. phaeostigma). The type of L. hypopta has a Pilocarpaceae/Porpidiaceae ascus type and the species seeems to have a very special ecology, occuring on fallen tree trunks semi-immersed in lakes.

Growth form: Crustose

Substrata: lignum

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: rather rare

Oromediterranean belt: rare

Montane belt: 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

Author: Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php