Which dog violet?

Which dog violet?

Observation - Which dog violet? - UK and Ireland. Description: I'm determined to get the hang of my dog violets. Is this V. riviniana or V. reichenbachiana? There could well be both at this site, V. odorata is also present.

I'm determined to get the hang of my dog violets. Is this V. riviniana or V. reichenbachiana? There could well be both at this site, V. odorata is also present.