Phlyctis argena, known as whitewash lichen
Phlyctis argena, known as whitewash lichen, growing on bark of common aspen in Finland
FinlandHaavanläiskäjäkäläMarchPhlyctisPhlyctis argenaPopulusWhitewash lichenargenaaspenaspen trunkbarkcrustose lichenlichenlichenspowderyspringtree barkwhite
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