online flora
Ramalina fraxinea
(1) Ramalina fraxinea
Description
Thallus
Fruticose, usually large (up to 30 cm), strappy (up to 3 cm)
Fruticose, usually large (up to 30 cm), strappy (up to 3 cm)
Color
Grey-green to dark brown (particularly in sunny sites)
Grey-green to dark brown (particularly in sunny sites)
Reproduction
Apothecia: frequent, with a concave disc of the same color as the thallus, located on the edges of the strips
Soralia: —
Isidia: —
Apothecia: frequent, with a concave disc of the same color as the thallus, located on the edges of the strips
Soralia: —
Isidia: —
Risk of confusion
Ramalina fastigiata is usually smaller and distinguished by its terminal apothecia
Ramalina fastigiata is usually smaller and distinguished by its terminal apothecia
Ecology
Substrate
On bark
On bark
Habitat
Heliophilous, found in well-ventilated sites
Heliophilous, found in well-ventilated sites
Occurrence
Rare
Rare
Sensitivity to air pollution
Very sensitive to acid pollution and eutrophication
Very sensitive to acid pollution and eutrophication
(2)
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