Identification key
Candelaria concolor
(1) Candelaria concolor
Description
Thallus
Foliose, small tufted mats of 1–3 cm in diameter or more, which may form large colonies by association, formed of very jagged lobules like a lace look
Foliose, small tufted mats of 1–3 cm in diameter or more, which may form large colonies by association, formed of very jagged lobules like a lace look
Color
Upper side yellow (in the sun) to greenish (in the shade), underside whitish (difficult to observe)
Upper side yellow (in the sun) to greenish (in the shade), underside whitish (difficult to observe)
Reproduction
Apothecia: rare, disk only slightly darker than the thallus, crenate margin (3)
Soralia: numerous soralies at margin of lobes, same color as thallus
Isidia: absence
Apothecia: rare, disk only slightly darker than the thallus, crenate margin (3)
Soralia: numerous soralies at margin of lobes, same color as thallus
Isidia: absence
Risk of confusion
Candelariella sp., with a crustose thallus
Candelariella sp., with a crustose thallus
Ecology
Substrate
On bark
On bark
Habitat
Heliophilous and nitrophilous
Heliophilous and nitrophilous
Occurrence
Common
Common
Sensitivity to air pollution
Resistant to pollution
Resistant to pollution
(2)
(3) Apothécia
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