sonchus oleraceus
sow thistle, common sowthistle - Not Native and invasive - erect smooth leafy stems
Date: 03.20.2010 12:11:31 | Exposure: 1/200s

sonchus oleraceus
Toothy leaves are at bottom and also alternate on stem (basal and cauline)
Date: 03.20.2010 12:11:45 | Exposure: 1/160s

sonchus oleraceus - common sow thistle
Not Native and Invasive
Date: 03.28.2010 12:04:02 | Exposure: 1/400s