Creeping water mint ?

Creeping water mint ?

Observation - Creeping water mint ?. Description: I've not seen prostrate water mint before, but this smellt like water mint and there were typical upright flowering plants nearby. It was on the exposed bed of a small lake. (Photographed on my doorstep, not in situ.)

I've not seen prostrate water mint before, but this smellt like water mint and there were typical upright flowering plants nearby. It was on the exposed bed of a small lake. (Photographed on my doorstep, not in situ.)