Oh...I wish I'd photographed my shavings...they were long (12ft or so) streamers
![Tongue :P](http://www.awgb.co.uk/awgbforum/Smileys/classic/tongue.gif)
But wow how similar they are...I wonder if the brownish streaks in the berberis are the way to tell the difference? Mahonia clean, berberis dirty. Sounds like the title of a dodgy book!