online flora
Evernia prunastri
(1) Evernia prunastri
Description
Thallus
Fruticose, up to 10 cm long, relatively wide strips (up to 5 mm wide), pendulous, with distinct colors on each side
Fruticose, up to 10 cm long, relatively wide strips (up to 5 mm wide), pendulous, with distinct colors on each side
Color
Upper side greenish, underside distinctly lighter (whitish)
Upper side greenish, underside distinctly lighter (whitish)
Reproduction
Apothecia: very rarely present, concave, brownish disc
Soralia: sometimes present on the upper side and/or on the strip edges
Isidia: —
Apothecia: very rarely present, concave, brownish disc
Soralia: sometimes present on the upper side and/or on the strip edges
Isidia: —
Risk of confusion
Pseudevernia furfuracea, with a blackish underside and isidia
Ramalina farinacea, with soralia only on the strip edges and is the same color on both sides (green)
Pseudevernia furfuracea, with a blackish underside and isidia
Ramalina farinacea, with soralia only on the strip edges and is the same color on both sides (green)
Ecology
Substrate
On bark
On bark
Habitat
Rather heliophilous, wide ecological amplitude
Rather heliophilous, wide ecological amplitude
Occurrence
Common
Common
Sensitivity to air pollution
Moderately sensitive to pollution
Moderately sensitive to pollution
(2)
(3)
(4)
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