Lactuca muralis (L.) E. Mey. - Unresolved: Lactuca muralis (L.) E. Mey. bei The Plant List (2014), version 1.1; Familie: Asteraceae (Compositae) (APG III)Lactuca muralis (L.) Gaertn. - Unresolved: Lactuca muralis (L.) Gaertn. bei The Plant List (2014), version 1.1; Familie: Asteraceae (Compositae) (APG III)Lactuca muralis (L.) E. Mey. - Unresolved: Lactuca muralis (L.) E. Mey. bei The Plant List (2014), version 1.1; Familie: Asteraceae (Compositae) (APG IV)Lactuca muralis (L.) Gaertn. - Unresolved: Lactuca muralis (L.) Gaertn. bei The Plant List (2014), version 1.1; Familie: Asteraceae (Compositae) (APG IV)Mycelis muralis (L.) Dumort. - Accepted: Mycelis muralis (L.) Dumort. bei BfN Checklist Flora DE; Familie: Asteraceae (Compositae) (APG IV)Lactuca muralis (L.) Gaertn. - Accepted: Lactuca muralis (L.) Gaertn. bei Euro+Med Plantbase; Familie: Asteraceae (Compositae) (APG IV)Lactuca muralis (L.) E. Mey. - unresolved: Lactuca muralis (L.) Gaertn. bei Euro+Med Plantbase; Familie: Asteraceae (Compositae) (APG IV)Mycelis muralis (L.) Dumort. - Synonym: Lactuca muralis (L.) Gaertn. bei Euro+Med Plantbase; Familie: Asteraceae (Compositae) (APG IV)