Lactuca muralis (L.) Gaertner = Mycelis muralis (L.) Dumort.
English:
muralis,-is,-e;

https://archive.org/stream/#page/158/mode/2up
homotypic synonyms:
Cicerbita muralis (L.) Wallr.; Lactuca muralis (L.) E. Meyer; Lactuca muralis (L.) Fresen.; Mycelis muralis (L.) Dumort.; Prenanthes muralis L.;

protologue: : t. 158 (1791)

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