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.
Well, it wasn't difficult. Yes I found what should be Valantia hispida because the internodes were separated by more than 12mm (actually 16mm) and stem hispid (hairs were bristle-like and rough). Red data book states that was not seen after first recorded by Duthie in 1870s.