Catalogue no.:	V-1239187
Taxon:	Sonchus arvensis subsp. arvensis
Label:	Sonchus arvensis var. littoralis
Family:	Asteraceae
Collector:	J.V.B [J.V. Björnström]
Date:	1850
Country:	Sweden
Landskap:	Uppland
Socken:	Ljusterö
Locality:	Ålön
Remarks:	Marked 1