Protoblastenia calva (Dicks.) Zahlbr. | Dolichens

Protoblastenia calva (Dicks.) Zahlbr.

Cat. Lich. Univ., 7: 1, 1930. Basionym: Lichen calvus Dicks. - Fasc. Pl. Crypt. Brit., 2: 18, 1790.

Synonyms: Blastenia rupestris var. calva (Dicks.) Lettau; Placodium rupestre var. calvum (Dicks.) A.L. Sm.; Protoblastenia rupestris var. calva (Dicks.) J. Steiner

Description: Thallus crustose, endosubstratic to (rarely) thinly episubstratic, continuous to finely rimose, primarily white, sometimes appearing grey due to cyanobacterial films, most often concolorous with the rock. Apothecia biatorine, orange, 0.7-2(-3) mm across, sessile, not or only slightly constricted at base, not in pits when mature, projecting from the rock, yellow orange to orange-red, soon strongly convex and immarginate, the disc smooth and sometimes somewhat shiny. Proper exciple thin, colourless to yellowish, patchily pigmented; epithecium orange-brown, c. 10 µm high, with granular crystals reacting K+ purple-red, N-; hymenium colourless to pale yellow, 85-135 µm high; paraphyses coherent, sparingly branched and anastomosing, 2-4 µm thick at mid-level, the apical cells slightly swollen, 2.5-5 µm wide; hypothecium pale orange to pale yellow, patchily pigmented. Asci 8-spored, clavate, with a well-developed, amyloid tholus containing a more intensely amyloid, indistinct tube structure, without an ocular chamber, approximating the Porpidia- or Psora-types. Ascospores 1-celled, hyaline, ellipsoid to ovoid, (8-)10-14(-16) x 5-8.5(-10) µm, without a distinct perispore. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; apothecia K+ purple-red. Chemistry: apothecia with anthraquinones, mainly parietin.

Growth form: Crustose

Substrata: rocks

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: rather rare

Subalpine belt: rather common

Montane belt: rather common

Dry submediterranean belt: very rare

Humid submediterranean belt: very rare

Padanian area: absent

pH of the substrata:

1

2

3

4

5

Solar irradiation:

1

2

3

4

5

Aridity:

1

2

3

4

5

Eutrophication:

1

2

3

4

5

Poleotolerance:

0

1

2

3

Altitudinal distribution:

1

2

3

4

5

6

Rarity

absent

extremely rare

very rare

rare

rather rare

rather common

common

very common

extremely common

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Occurrence data

Predictive map

Model Image

Current prediction (1981-2010)

Model Image

Future prediction (2071-2100) SSP 1-2.6

Model Image

Future prediction (2071-2100) SSP 5-8.5

Predictive maps according to Francesconi et al. 2025

Domenico Puntillo; Owner: Domenico Puntillo

Italy

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (11244)
2001/11/29

Manilio Prignano; Owner: Manilio Prignano

Italy, Abruzzo, Parco Nazionale d'Abruzzo
2010

Manilio Prignano; Owner: Manilio Prignano

Italy, Abruzzo, Parco Nazionale d'Abruzzo
2010

Manilio Prignano; Owner: Manilio Prignano

Italy, Abruzzo, Parco Nazionale d'Abruzzo
2010

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

Andrea Moro; Owner: Department of Life Sciences, University of Trieste

italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante
16/02/2017

Andrea Moro; Owner: Department of Life Sciences, University of Trieste

italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante
16/02/2017

Andrea Moro; Owner: Department of Life Sciences, University of Trieste

italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante
16/02/2017

Andrea Moro; Owner: Department of Life Sciences, University of Trieste

italy, Friuli Venezia Giulia, Trieste, Trieste Karst near Borgo Grotta Gigante
16/02/2017

Juri Nascimbene - CC BY-SA 4.0

Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern

Juri Nascimbene - CC BY-SA 4.0

Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Felix Schumm CC BY-SA 4.0

[1400], Germany, Baden-Württemberg, Kreis Heidenheim, im Stubental bei Sontheim, Kalblöcke in Steppenheidehängen, ca. 650 m. Leg. et det. Schumm 10.08.1963

Pier Luigi Nimis - CC BY-SA 4.0

TSB 38715

Pier Luigi Nimis - CC BY-SA 4.0

TSB 38715

P.L. Nimis CC BY-SA 04

TSB 38043

P.L. Nimis CC BY-SA 04

TSB 38043

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_P/Text_P_2/Protoblastenia_calva.htm

France, session AFL 2005 en Lozère

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_P/Text_P_2/Protoblastenia_calva.htm

France, session AFL 2005 en Lozère

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_P/Text_P_2/Protoblastenia_calva.htm

France, 3/8/2013 - Mont Cenis - Haute-Savoie

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_P/Text_P_2/Protoblastenia_calva.htm

France, 3/8/2013 - Mont Cenis - Haute-Savoie

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=889&lang=en

France, Drôme Provençale

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=889&lang=en

France, Drôme Provençale

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=889&lang=en

Belgium, Namur

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=889&lang=en

Belgium, Namur

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=889&lang=en

Belgium, Namur

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Marta González Garcia - Centro de Estudios Micologicos Asturianos

Spain, Salcedo, ermita del Alba (Quirós-Asturias), 29-XI-2022, sobre rocas calizas en muros verticales.

Wolfgang von Brackel - CC BY-4.0

Germany, Bavaria, Hohenfels

Collezione lichenologica Abramo Massalongo del Museo di Storia Naturale G. Ligabue di Venezia - Autori: Seggi, Linda; Trabucco, Raffaella Proprietà: Fondazione Musei Civici di Venezia - CC BY-NC

Italy, Veneto, In M. Alba ad saxa 1855
as Biatora calva

Collezione lichenologica Abramo Massalongo del Museo di Storia Naturale G. Ligabue di Venezia - Autori: Seggi, Linda; Trabucco, Raffaella Proprietà: Fondazione Musei Civici di Venezia - CC BY-NC

Italy, Veneto, In opp. Bolca 1855
as Biatora rupestris v. calva

Bologna

Biome

Pon

Trieste

Trieste

Paneveggio

Pnab

Pndb