This is my first addon, and that means it can't be perfect. I took most of the items from WoWWiki. I can't test them all, but I assume they work. I'll keep this page updated with the items that were tested and are working, if you tested an item and it works just drop a comment :)

Timbermaw Hold
Winterfall Spirit Beads - OK
Deadwood Headdress Feather - ?

Argent Dawn
Corruptor's Scourgestone - OK
Invader's Scourgestone - OK
Minion's Scourgestone - OK
Argent Dawn Valor Token - ?
Bone Fragments - OK
Crypt Fiend Parts - OK
Core of Elements - ?
Dark Iron Scraps - ?
Savage Frond - ?

Kurenai
Obsidian Warbeads - OK

Sporeggar
Mature Spore Sac - ?
Bog Lord Tendril - ?
Glowcap - ?
Fertile Spores - ?
Sanguine Hibiscus - ?

Consortium
Oshu'gun Crystal Fragment - ?
Pair of Ivory Tusks - ?
Zaxxis Insignia - ?
Ethereum Prisioner I.D. Tag - ?
Ethereum Prison Key - ?
Obsidian Warbeads - OK

Cenarion Circle
Abyssal Crest - ?
Abyssal Signet - ?
Abyssal Scepter - ?
Encrypted Twilight Text - ?
Cenarion Combat Badge - ?
Cenarion Logistics Badge - ?
Cenarion Tactical Badge - ?

Cenarion Expedition
Unidentified Plant Parts - ?
Uncatalogued Species - ?
Coilfang Armaments - ?

The Aldor
Dreadfang Venom Sac - ?
Mark of Kil'jaeden - ?
Mark of Sargeras - ?
Fel Armament - ?

The Scryers
Dampscale Basilisk Eye - ?
Firewing Signet - ?
Sunfury Signet - ?
Arcane Tome - ?