Possible confusions
Alcyonidium proliferans : plus massive, peu ramifiée, aux branches de section plus carrée et formant de courts lobes se formant surtout vers le haut.
Alcyonidium gelatinosum (Linnaeus, 1761)
BioObs, 05/03/2022 : Alcyonidium gelatinosum (Linnaeus, 1761), https://bioobs.fr/en/species-sheets/4620
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