Caloplaca livida (Hepp) Jatta

Syll. Lich. Ital.: 247, 1900. Basionym: Placodium lividum Hepp - Flecht. Eur.: nr. 403, 1857.
Synonyms: Callopisma lividum (Hepp) Körb.; Caloplaca convexa (Schaer.) Zahlbr.
Distribution: N - TAA, Lomb, Piem (Isocrono & al. 2004), VA (S-F103348).
Description: Thallus crustose, pale grey to whitish, very thin, continuous, often inconspicuous. Apothecia frequent, rounded, sessile, strongly constricted at base, 0.3-0.5(-0.8) mm across, with an ochraceous orange to brownish orange, at first flat, then strongly convex disc, and a thin, concolorous, often finally excluded proper margin. Epithecium orange-brown, K+ red; hymenium colourless 50-60(-90) μm high; hypothecium colourless. Asci 8-spored, clavate, Teloschistes-type. Ascospores 1-septate, polarilocular, hyaline, narrowly ellipsoid, (13-)14-16(-18) x (5-)6-7(-8) μm, the septum 2.5-3 μm thick, c. 1/4 of spore length. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; apothecia K+ red. Chemistry: thallus without lichen substances; apothecia with unidentified anthraquinones.
Note: an arctic-alpine species found on plant debris and bryophytes overgrowing acid siliceous rocks, with optimum near and above treeline. The species belongs to Bryoplaca and the new combination will be published soon (Arup in litt.).
Growth form: Crustose
Substrata: soil, terricolous mosses, and plant debris
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: very rare
Subalpine belt: very 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:

(info)

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5

Solar irradiation:

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Aridity:

(info)

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Eutrophication:

(info)

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Poleotolerance:

(info)

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Altitudinal distribution:

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Felix Schumm - CC BY-SA 4.0
[19399], U.S.A. Wyoming, Teton Co. Yellowstone National Park, Continental Divide E of Craig Pass, on ridgetops N of road with Pinus contorta and young Pinus albicaulis, 2562 m, 44°26'05' N, 110°38'35’’. Leg. Clifford M. Wetmore (No. 82083), 10. Aug. 1998. TELOSCH. EXS. NR. 110



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (25839)
2003/03/06



Felix Schumm - CC BY-SA 4.0
[19399], U.S.A. Wyoming, Teton Co. Yellowstone National Park, Continental Divide E of Craig Pass, on ridgetops N of road with Pinus contorta and young Pinus albicaulis, 2562 m, 44°26'05' N, 110°38'35’’. Leg. Clifford M. Wetmore (No. 82083), 10. Aug. 1998. TELOSCH. EXS. NR. 110



Felix Schumm - CC BY-SA 4.0
[19399], U.S.A. Wyoming, Teton Co. Yellowstone National Park, Continental Divide E of Craig Pass, on ridgetops N of road with Pinus contorta and young Pinus albicaulis, 2562 m, 44°26'05' N, 110°38'35’’. Leg. Clifford M. Wetmore (No. 82083), 10. Aug. 1998. TELOSCH. EXS. NR. 110



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[B 60 0065945], Switzerland, Wallis, Gletsch, near Rhône Glacier, Gletschboden, gravel plain in front of glacier, with open dwarfshrub vegetation, 1800 m. Leg. H. Sipman, 25.08.1979 (No. 12576).



Curtis Randall Björk – CC BY-SA 4.0
British Columbia, Vancouver Island, Albert Head Growing on a knob of concrete, on mooring blocks at marine shore 2013-10-00