Lepra melanochlora (DC.) Hafellner
in Hafellner & Türk, Stapfia, 104: 172, 2016. Basionym: Isidium melanochlorum DC. in Lamarck & de Candolle - Fl. Franç., 3 éd., 2: 326, 1805.
Synonyms: Pertusaria melanochlora (DC.) Nyl.
Distribution: C - Tosc, Laz (Tretiach 2004), Sar (Monte 1993).
Description: Thallus crustose, episubstratic, 1-3 mm thick, continuous to rimose or indistinctly areolate, grey to dark grey, often concentrically zoned at margins, forming up to 12 cm wide patches, densely covered with isidia-like, 2-3 mm long, 0.5-1.5(-2) mm wide, simple or sparingly branched papillae with eroded, whitish, rarely sparingly sorediate, flat to concave tips. Apothecia rare, immersed in 2-4 mm wide fertile papillae, 1-5 per papilla, with an initially punctiform, then expanded, 1.5-2 mm wide, black but often white-pruinose disc and a prominent, wrinkled thalline margin. Epithecium dark brown, K-; hymenium colourless, 250-350 µm high; paraphyses sparingly branched, 1.5-2 µm thick; hypothecium colourless. Asci 1-spored, broadly cylindrical, the apex without a distinct ocular chamber, the outer sheath K/I+ blue, otherwise K/I–, with an inner extensible layer, Pertusaria-type. Ascospores 1-celled, hyaline, ellipsoid, 180-260(-300) x 70-150(-200) µm, the wall c. 20 µm thick, smooth. Pycnidia black, immersed. Conidia cylindrical, 4-5 µm long. Photobiont chlorococcoid. Spot tests: K+ yellowish brown, C-, KC+ fleeting magenta, P+ orange-red, UV-; medulla with a strongly bitter taste. Chemistry: picrolichenic and protocetraric acids.Note: a probably Mediterranean-Atlantic, very poorly known and often misunderstood taxon (e.g. confused with L. mammosa), found on compact siliceous rocks, usually below the montane belt. Several earlier records reported by Nimis (1993: 516) are not accepted here.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by isidia, or isidia-like structures (e.g. schizidia)
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: extremely rare
Humid mediterranean belt: very rare
Dry mediterranean belt: absent
Predictive model
Herbarium samples
Felix Schumm - CC BY 4.0
[VZ1141], Hispania. Girona, montes Pyrenaei, orientales. Nuria, prope
Ribas, 2000 m. Ad parietes altos rupium gneissiaceum. Leg. X. Llimona
et V. Wirth, 29.7.1972. EX A. VEZDA LICHENES SELECTI EXSICCATI
NR. 1141.
P.L. Nimis CC BY-SA 4.0 [17240], Brazil. São Paulo. Praia de Peruibe near Itanhaém, in a dense mangrove forest on Laguncularia racemosa, 2 m, 24°10' S, 46°50' W. Leg. K. Kalb 24.02.1978 (Nr. 37602), det. K. Kalb. Dupl. ex Herbario Klaus Kalb.
TSB 20878
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Commana
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Felix Schumm - CC BY 4.0
[VZ1141], Hispania. Girona, montes Pyrenaei, orientales. Nuria, prope
Ribas, 2000 m. Ad parietes altos rupium gneissiaceum. Leg. X. Llimona
et V. Wirth, 29.7.1972. EX A. VEZDA LICHENES SELECTI EXSICCATI
NR. 1141.
P.L. Nimis CC BY-SA 4.0 [17240], Brazil. São Paulo. Praia de Peruibe near Itanhaém, in a dense mangrove forest on Laguncularia racemosa, 2 m, 24°10' S, 46°50' W. Leg. K. Kalb 24.02.1978 (Nr. 37602), det. K. Kalb. Dupl. ex Herbario Klaus Kalb. TSB 20878
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by isidia, or isidia-like structures (e.g. schizidia)
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: extremely rare
Humid mediterranean belt: very rare
Dry mediterranean belt: absent
Predictive model
| Herbarium samples |
INDEX FUNGORUM
GBIF
Felix Schumm - CC BY 4.0
[VZ1141], Hispania. Girona, montes Pyrenaei, orientales. Nuria, prope Ribas, 2000 m. Ad parietes altos rupium gneissiaceum. Leg. X. Llimona et V. Wirth, 29.7.1972. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1141.
P.L. Nimis CC BY-SA 4.0 [17240], Brazil. São Paulo. Praia de Peruibe near Itanhaém, in a dense mangrove forest on Laguncularia racemosa, 2 m, 24°10' S, 46°50' W. Leg. K. Kalb 24.02.1978 (Nr. 37602), det. K. Kalb. Dupl. ex Herbario Klaus Kalb.
TSB 20878
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Commana
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Menez-Meur
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1190&lang=en
France, Roc'h Glaz
Felix Schumm - CC BY 4.0
[VZ1141], Hispania. Girona, montes Pyrenaei, orientales. Nuria, prope Ribas, 2000 m. Ad parietes altos rupium gneissiaceum. Leg. X. Llimona et V. Wirth, 29.7.1972. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1141.
