Sense of Style  

This quest is given by Vashazdar in the Feerrott after you complete the Fern Memories quest.

This time Vashazdar wants you to go find 30 Styles from the local orchids. This part is annoying - each orchid counts as one style, and most of them are in areas with lots of mobs. Ready to have fun? Thought you might be. Unlike the objects of his previous quest, these orchids can be cycled through with the TAB key to target. They look exactly like every other plant in the zone, but they read as "A Feerott Orchid" when you target them. You can find a bunch of them at random times down by the Eye of Thule camp.

Once you've collected all 30, return to Vash for a decent paycheck and his fourth, and final, quest: Feeling of the Fauna.