online flora
Parmotrema perlatum / P. reticulatum
(1) Parmotrema perlatum / P. reticulatum
Description
Thallus
Foliose, 3–20 cm in diameter, ascending lobes (4–15 mm wide), lobe margins sometimes with very short black cilia (less than 2 mm)
Foliose, 3–20 cm in diameter, ascending lobes (4–15 mm wide), lobe margins sometimes with very short black cilia (less than 2 mm)
Color
Blue-gray to greenish-grey upper surface, black underside
Blue-gray to greenish-grey upper surface, black underside
Reproduction
Apothecia: rare, with brownish disc and sorediate margin
Soralia: whitish to greenish, present at the lobe margin, more or less globose (in the shape of pearls)
Isidia: —
Apothecia: rare, with brownish disc and sorediate margin
Soralia: whitish to greenish, present at the lobe margin, more or less globose (in the shape of pearls)
Isidia: —
Risk of confusion
Hypogymnia physodes / H. tubulosa, smaller and with a swollen appearance
Hypogymnia physodes / H. tubulosa, smaller and with a swollen appearance
Ecology
Substrate
On bark
On bark
Habitat
Heliophilous
Heliophilous
Occurrence
Common
Common
Sensitivity to air pollution
Sensitive to pollution
Sensitive to pollution
(2)
(3)
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