online flora
Pleurosticta acetabulum
(1) Pleurosticta acetabulum
Description
Thallus
Foliose, up to 25 cm, with wide lobes (15 mm), rounded and widened towards the ends, covered with abundant black pycnidia towards the end of the lobes
Foliose, up to 25 cm, with wide lobes (15 mm), rounded and widened towards the ends, covered with abundant black pycnidia towards the end of the lobes
Color
Dark brown-green when dry, green when wet
Dark brown-green when dry, green when wet
Reproduction
Apothecia: frequent, large (up to 1.5 mm in diameter), brownish disc, raised edges often misshapen
Soralia: —
Isidia: —
Apothecia: frequent, large (up to 1.5 mm in diameter), brownish disc, raised edges often misshapen
Soralia: —
Isidia: —
Risk of confusion
None
None
Ecology
Substrate
On bark, rarely on artificial substrate
On bark, rarely on artificial substrate
Habitat
Heliophilous and nitrogen-tolerant
Heliophilous and nitrogen-tolerant
Occurrence
Common
Common
Sensitivity to air pollution
Sensitive to acid pollution
Sensitive to acid pollution
(2)
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