online flora
Parmelina tiliacea / P. pastillifera
(1) Parmelina tiliacea / P. pastillifera
Description
Thallus
Foliose, up to 10 cm in diameter, smooth, closely attached to substrate, with rounded lobes often divided into several lobules
Foliose, up to 10 cm in diameter, smooth, closely attached to substrate, with rounded lobes often divided into several lobules
Color
Grey-bluish upper side, black underside
Grey-bluish upper side, black underside
Reproduction
Apothecia: very rare, 7 mm in diameter, reddish-brown disc
Soralia: —
Isidia: numerous, black, globular or button-shaped
Apothecia: very rare, 7 mm in diameter, reddish-brown disc
Soralia: —
Isidia: numerous, black, globular or button-shaped
Risk of confusion
None
None
Ecology
Substrate
On bark, sometimes on rock
On bark, sometimes on rock
Habitat
Heliophilous
Heliophilous
Occurrence
Relatively common
Relatively common
Sensitivity to air pollution
Resistant to pollution
Resistant to pollution
(2)
(3)
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