Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth

in Wirth, Flechten Baden-W├╝rttembergs: 211, 1987. Basionym: Parmelia badia var. atriseda Fr. - Nov. Sched. Crit.: 7, 1827.
Synonyms: Lecanora atriseda (Fr.) Nyl.; Lecanora nephaea auct. non Sommerf.
Distribution: N - TAA. S - Bas (Puntillo & al. 2012), Si.
Note: on hard siliceous rocks in upland areas, with optimum above treeline, starting the life-cycle on yellow Rhizocarpon-species, later becoming autonomous. A heterogeneous taxon (see Nimis 1993: 574), which does not belong to Protoparmelia s.str.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
paras yellow Rhizocarpon spp.

Commonnes-rarity: (info)

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

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
Herbarium samples

LITERATURE