Thanks you Dennis Breedijk for this lovely photo of Wild Marjoram (Origanum vulgare) growing in Westerpark. It certainly looks good enough to eat!
Also from Joop Eisenberger, Ground Ivy (Glauchema hederacea), evergreen, minty, tasty.
And also from Joop, Soapwort (Saponaria officinalis), not so tasty but very useful.