Gyalecta kukriensis (Räsänen) Räsänen

Ann. Bot. Soc. Zool. Bot. Fenn. Vanamo, 12, 1: 176, 1939. Basionym: Gyalecta cupularis var. kukriensis Räsänen - Ueber Flechtenstandorte NW Finnl.: 46, 1927.
Synonyms: Gyalecta jenensis var. deminuta Norman ex Lettau; Gyalecta jenensis var. kukriensis (Räsänen) Zahlbr.
Distribution: N - Piem (TSB 32955).
Description: Thallus crustose, thinly episubstratic, continuous to rimose-subareolate, pale yellowish grey. Apothecia 0.3-0.5 mm across, immersed in the thallus, round, with a pale to dark yellowish brown, urceolate disc and a radially cracked proper margin. Proper exciple brownish yellow in outer part, colourless within; epithecium pale brown, inspersed with granules; hymenium colourless, 80-100 µm high; paraphyses septate, c. 1.5 µm thick at mid-level, the apical cells swollen, 3-4 µm wide; hypothecium colourless. Asci 8-spored, thin-walled, lacking an apical apparatus or tholus, K/I+ blue. with uniseriate or partly biseriate spores. Ascospores muriform, with 4-6 transverse septa and 1-2 longitudinal septa, hyaline, lemon-shaped, largest in the middle and attenuated at one or both ends, 18-25 x 7-10 µm. Photobiont trentepohlioid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: on calciferous schists near or above treeline; also known from Austria, the Carpathians, and Scandinavia.
Growth form: Crustose
Substrata: rocks
Photobiont: Trentepohlia
Reproductive strategy: mainly sexual
In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: extremely rare
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: absent

pH of the substrata:


Solar irradiation:








Altitudinal distribution:


Predictive model
Herbarium samples

P.L. Nimis CC BY-SA 4.0
TSB 32955

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (32955)

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (32955)