Yeah - one plan I have is for myself, and other Alchemist/Herbalist/Plant Users to find plants during threads in natural environments and add them to the categories, building them up. When I have time I plan on making some examples for each of the tiers and categories as they stand to start with, along with what those plants could be used for. This would probably work best for plants up to Tier 2 - Tiers 0 and 1 are common enough that they've been seen before, but regional stuff is a bit harder to find so not as well known. Tier 3 and Tier 4 basically don't exist unless they're found in threads for now, I think to start.