more gums and such

Tragacanth (from a shrub)
Konjac (from a plant/tuber)
Cassia (from a plant)
Karaya (from a tree)
Gum Ghatti (from a tree)
Pullulan (produced from starch by a fungus)
Hypromellose (aka Hydroxypropyl Methylcellulose or HPMC) (made from cellulose)

From prior post:

Carrageenan (aka irish moss) comes from a red seaweed. I had previously discounted claims that it could be unhealthy, but now I'm not so sure, as it seems to be linked to inflammation.
Xanthum Gum, gellan gum, and curdlan are made from bacteria.
Guar gum, locust bean (aka carob bean) gum, and tara gum are made from plants.
Gum arabic (aka acacia gum) is made from the sap of the acacia tree.