After some further research, I think that a lot of the flavors may be the yeast. I've noticed that the beer also appears slightly green. This may be my issue, but yours might be different. here's what I found:
Yeasty
The cause of this flavor is pretty easy to understand. If the yeast is...
I found this same issue in the hefeweizen I just made. I've had a lot of hefe's in the past from a german family. There is a strange off flavor that I'm not used too that I suppose could be described as 'woody'. This flavor does seem to be centralized with the sediment in the beer. I had a...