Lempholemma chalazanum (Ach.) B. de Lesd.

Recher. Lich. Dunkerque: 261, 1910. Basionym: Collema chalazanum Ach. - Lichenogr. Univ.: 630, 1810.
Synonyms: Lempholemma franconicum (A. Massal.) Schwend.; Physma chalazanum (Ach.) Arnold; Physma franconicum A. Massal.
Description: Thallus subcrustose, membranous, rather loosely attached, homoiomerous, gelatinous when wet, dark greenish brown when wet, black to bluish black when dry, granular-nodulose throughout or with poorly developed marginal lobes, up to 2 cm in diam.; lower surface paler, attached by scattered, whitish rhizohyphae. Upper and lower cortices absent. Apothecia developing from ascogones arising beneath pycnidia (pycnoascocarps), frequent, laminal, semi-immersed, rounded, 0.2-0.3(-0.5) mm across, with a brown, concave to flat, smooth, initially pore-like disc, and a thin to thick, smooth, persistent proper margin. Proper exciple of parallel hyphae; epithecium brownish; hymenium colourless, 100-130(-200) µm high, the hymenial gel I+ reddish brown, K/I+ blue; paraphyses mostly simple, not apically thickened, coherent; hypothecium colourless to yellowish brown. Asci 8-spored, clavate to cylindrical, with a very thin wall disintegrating or opening by apical ruptures, Lichina-type. Ascospores 1-celled, hyaline, ellipsoid, (18-)20-33 x 9-13(-15) μm, with a gelatinous perispore which dissolves in K. Pycnidia dark, laminal, immersed, pyriform. Conidia acrogenous, cylindrical, 2-3 x 1-1.5 μm. Photobiont cyanobacterial (Nostoc, the cells in chains). Spot tests: all negative. Chemistry: without lichen substances.
Growth form: Crustose
Substrata: soil, terricolous mosses, and plant debris
Photobiont: cyanobacteria, filamentous (e.g. Nostoc, Scytonema)
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Montane belt: extremely rare
Dry submediterranean belt: very rare
Humid submediterranean belt: rare
Padanian area: absent

pH of the substrata:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

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Occurrence data
Predictive map

P.L. Nimis CC BY-SA 4.0
GZU Reliq.Suzaianae (27)


Felix Schumm – CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica.
Herbarium: Farlow Herbarium


Felix Schumm – CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica.
Herbarium: Farlow Herbarium


P.L. Nimis CC BY-SA 4.0
GZU Reliq.Suzaianae (27)


P.L. Nimis CC BY-SA 4.0
GZU Reliq.Suzaianae (27)


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Pier Luigi Nimis - CC BY-SA 4.0
USA, California, Santa Monica
Farlow Herbarium - Ex Herb. Hesse 812


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[12250], Germany, Baden-Württemberg, Alb-Donau Kreis, nördlich von Urspring bei der Bahnunterführung an der Straße nach Amstetten, auf Moosen über Kalksteinen, 48°33.296'N, 9°53.442' E, 570 m. Leg. Schumm 29.10.2005.


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Felix Schumm - CC BY-SA 4.0
[ABL52733], Taiwan, Hualian County. Taroko National Park, Hohuan Shan near Field Station. 24°09’21’’ N, 121°17’16’’ E, 3200 m, On soil


Source: Prieto M., Wedin M., Schultz M. 2024. Phylogeny, evolution and a re-classification of the Lichinomycetes. Studies in Mycology, 109: 595-655. - CC BY-NC-ND
Lempholemma chalazanum, crustose, film-like thin to somewhat lobate at margin and numerous laminal apothecia (Feuerer). Scale bar: 1 mm.