Any reason you didn't add the "Parchment" category, or did you simply miss that change? I figured if there's a category for Spice, Thread, and Vials (all vendor items), it would make sense to have a category for parchment as well.
I've added the new Northrend cloths to the Cloth and Bolt categories (also, I moved Bolt of Imbued Netherweave to "Bolt" rather than in "Cloth" where it was). I also added Northrend Ore and Bars, as well as added the two Northrend Pigments.
OK. I've manually modified the Tradeskill.Mat.ByType.Herb table of LPT r47 to add the known Northrend herbs (Evergreen Moss and Whispervine don't exist on any of the online databases). Here's the full line: