Still looks like garlic mustard to me, too; the leaves do vary somewhat.
Check for a pair of stipules at the base of each leaf; if absent it is not a violet.

Howdy Gianni,

There is an easy way to find out if it is truely garlic mustard. Smell it or taste it! It smells and tastes of garlic and has the same kind of "hot" taste of mustard. Garlic mustard has a very short blooming period in north-eastern US. It is a biennial, flowering in very early spring. If the plants are under trees, especially pines, they can grow for years without ever flowering. You may find if you go out and look at the plants in March they will be flowering then. My grandparents in the hills of Pennsylvania use to collect this plant all winter long to help feed their ever increasing family. My mother, brothers and sisters have kept the tradition alive. Happy eating!

Cheers,

Charles

Howdy again Gianni,

Forgot to mention that the immature leaves of Garlic Mustard are round and they come directly from a short rhizome (underground stem). The leaves on the flowering stalk are more triangular and toothed and are arranged in an alternate pattern on an erect stem. The juvenile and adult plants do look different. A small tent peg placed next to a juvenile plant will allow you to observe an individual plant.

cheers,

Charles

To Charles and Mike:
No smell or taste of garlic when I sniff and chew.
I have one plant (in the garden) which is the largest and healthiest specimen.
I will continue to watch and check it in the spring. I may get back to you next March!
Many thanks for your comments.

John

OK You all, I surrender! Although it still doesn't LOOK like garlic mustard to me, the most recent experts (deer) have convinced me. They have grazed on all my foot high wild violets and stripped away all the leaves. The only plants left untouched in that area are the "garlic mustard" plants. They have also stripped plants that they don't usually bother with - surprising, since there seems to be ample supply of food for them. Thanks to you all.

Garlic mustard is a terrible invasive weed over most of the eastern US. Please pull it out!

Here is a link that might be useful: Garlic Mustard information