online flora
Hypotrachyna afrorevoluta / H. revoluta
(1) (1) Hypotrachyna afrorevoluta / H. revoluta
Description
Thallus
Foliose, up to 12 cm in diameter, loosely adhering to the substrate, with short, smooth lobes and raised enlarged margins, the spaces separating the lobes are rounded
Foliose, up to 12 cm in diameter, loosely adhering to the substrate, with short, smooth lobes and raised enlarged margins, the spaces separating the lobes are rounded
Color
Pale gray-green upperside, black underside
Pale gray-green upperside, black underside
Reproduction
Apothecia: very rare, 6 mm in diameter, crenate margin
Soralia: on lobe margins, granular whitish to greenish
Isidia: —
Apothecia: very rare, 6 mm in diameter, crenate margin
Soralia: on lobe margins, granular whitish to greenish
Isidia: —
Risk of confusion
Punctelia sp., with punctiform soralia and white dots on lobe margins
Punctelia sp., with punctiform soralia and white dots on lobe margins
Ecology
Substrate
On bark, sometimes on non-calcareous rock
On bark, sometimes on non-calcareous rock
Habitat
Heliophilous and ombrophilous
Heliophilous and ombrophilous
Occurrence
Common
Common
Sensitivity to air pollution
Moderately sensitive to pollution
Moderately sensitive to pollution
(2)
(3)
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