Pyrenodesmia ameliensis (Nyl.) ined.

provisionally placed here, ICN Art. 36.1b. Basionym: Lecanora ameliensis Nyl. - Flora, 68: 40, 1885.
Synonyms:
Distribution:
Description: Thallus crustose, endosubstratic and poorly evident, rarely thinly episubstratic and granulose, <100 µm thick, ecorticate. Apothecia lecideine, 0.2-0.8 mm across, sessile and constricted at base, at first with a flat disc and a thick, smooth proper margin, finally often with a convex disc and emarginate, the disc black, often with a greenish hue, the margin jet black. Proper exciple dark violet grey to blackish in outer part, colourless in inner part, the pigmented part 20-35 µm thick, palisade-plectenchymatous, K+ violet, the inner part prosoplectenchymatous, filled with abundant crystals which are not soluble in K; epithecium violet grey to dark olive-green, K+ violet, covered in a fine epipsamma of 1-4 µm wide crystals which are insoluble in K; hymenium colourless, (40-)50–60 µm high; paraphyses weakly coherent, simple or most often apically bifurcate, 1-1.5 µm thick at base, 2-5-4 µm at apex; subhymenium colourless, c. 20 µm high, clearly distinct from the hypothecium; hypothecium very pale yellow, due do abundant 5-13(-17) µm wide, crystals well visible under polarized light. Asci 8-spored, clavate, functionally unitunicate, apically thickened with a broad internal beak, the inner part of apex and external cap I+ blue, Teloschistes-type. Ascospores 2-celled, polarilocular, hyaline, narrowly ellipsoid, (14-)14.5-16.5(-17.5) x (3.5-)4.5-5.5(-6) µm, the equatorial thickening (“septum”) (1-)1.5-3(-3.5) µm, max. 1/5 of spore length. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; apothecia (exciple and epithecium) K+ violet. Chemistry: Sedifolia-grey pigment in apothecia.
Note: a silicicolous species described from the Pyrenees (France), and widespread in eastern and southern Spain, mostly at low elevations; to be looked for in Italy, especially in Sardinia. For further details see Navarro-Rosinés & Llimona (2008).
Growth form: Crustose endolithic
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Pioneer species

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model


Felix Schumm - CC BY-SA 4.0
Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa.
Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9159)
2002/12/02



Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



Felix Schumm; Owner: Felix Schumm - CC BY-SA 4.0
[19565], Hispania, Murcia, Sierra de Enmedio, Puerto Lumbreras, alt. 400 m, ad saxa schistosa. Leg. M. Egea & X. Llimona, 15.04.1976, det. M. Egea. VEZDA: LICHENES SELECTI EXSICCATI NR. 1969.



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9159)
2002/01/02


Source: Navarro-Rosinés P., Llimona X. 2008. Caloplaca ameliensis (Nyl.) H. Olivier (Teloschistaceae), un liquen mediterráneo poco conocido. Bull. Soc. linn. Provence, 59: 281-289.
A, hábito, detalle de los apotecios jóvenes, cubiertos de una fina capa de pruina de tonalidad verdosa (Puerto Lumbreras, Murcia, BCN–lich. 15641). B, hábito, talo endolítico con apotecios maduros. C y D, detalle a mayor aumento de los apotecios maduros en los que se aprecia la tonalidad verdosa tanto en disco como en margen (Benifairó, Valencia, VAB–lich. 7141) - Escalas : A= 400 µm, B= 500 µm, C y D= 200 µm,


Source: Navarro-Rosinés P., Llimona X. 2008. Caloplaca ameliensis (Nyl.) H. Olivier (Teloschistaceae), un liquen mediterráneo poco conocido. Bull. Soc. linn. Provence, 59: 281-289.