⚠ Version 1 of The Plant List has been superseded.
This name record (from TICA) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Sonchus arvensis in version 1.1 of The Plant List.
This name is a synonym of Sonchus arvensis subsp. uliginosus .
The record derives from TICA which reports it as a synonym (record 9DB16B5C-4348-462A-9610-D4A89492B452
) with original publication details: Enumeratio Stirpium Phanerogamarum quae in Silesia Sponte Proveniunt 127 1824.