Rinodina furfurea H. Mayrhofer & Poelt

Bibl. Lichenol., 12: 177, 1979.
Synonyms:
Description: Thallus crustose, episubstratic, medium brown, rimose-areolate, not well-delimited, without a distinct prothallus, the areoles 0.2-0.5(-1) mm wide, flat, constricted at base, soon giving rise to granulose to subcylindrical, black-brown, almost isidioid soredia which may cover the whole upper surface. Apothecia lecanorine, 0.2-0.4 mm across, with a persistently flat, black-brown disc, and a rather thick, smooth, persistent thalline margin. Epithecium brown, K-; hymenium colourless, 60-80 µm high; paraphyses simple or sparingly branched in upper part, 1.5-2.5 µm thick at mid-level, the apical cells 4-5 µm wide; hypothecium colourless, up to 100 µm high. Asci 8-spored, clavate, the K/I+ blue tholus penetrated by a faintly amyloid apical cushion with parallel or diverging flanks, the wall K/I-, surrounded by a K/I+ blue outer layer, Lecanora-type. Ascospores 1-septate, brown, ellipsoid, 10-16 x 7-9 µm, Dubyana-type. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by isidia, or isidia-like structures (e.g. schizidia)

Commonnes-rarity: (info)

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

pH of the substrata:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

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Predictive map

Modified from the original at: https://gzu.jacq.org/GZU000286619
GZU 000286619 - Leg. J. Poelt - Date 1970-09-14Location Italy / Trentino-Alto AdigeLabel Vintschgau, Südtirol: Steile, südexponierte Felshänge östlich Schlanders, gegen Vezzan ; Alt. 700 m - 720 m