Who's Shroomin' Who?

Objectives
Deliver Helbrim's Research to at Ratchet in North Barrens.
 * Helbrim's Research (Provided)

Description
Think of the possibilities, ! Fast-growing fungal delivery agents for any manner of toxins. My companions in the Undercity will want to hear about this.

Here are my notes and some additional samples. If we're fast, we can catch the next ship bound for the Eastern Kingdoms. Take the road east of here and follow it to the goblin town of Ratchet. Look for the Broken Keel tavern toward the south side of town and deliver these to my associate Sashya within.

Rewards
You will receive:

Progress
Who are you? Did Helbrim send you? Keep a low profile.

Completion
Quiet! Give me those notes. Were you followed here?