Maltawildplants.com is now considered an online flora of the Maltese islands, portraying more than 900 species of plants found in Maltese habitats. It harbours a forum created in 2005 were memberes discuss topics about the Maltese flora and ID of plants.
I have not yet studied this unknown, but quite sure to be an Asteraceae. No flowers unfortunately so maybe someone have a clue before studying the plant.
You do not have the required permissions to view the files attached to this post.
Sonchus was my first thought too but I excluded itc because there was very little white sap exudate when veins were cut open. Seems I need to recheck the plant and see what flowers i get