Forktail spinal fluid

There are two different containers of "Forktail spinal fluid":

Associated quest

 * To Bait a Forktail...

Forktail spinal fluid found inside Kaer Morhen keep
This version of the forktail spinal fluid is the one used to make the Decoctions of the Grasses.

Associated quest

 * Va Fail, Elaine

Gabelschwanz-Rückenmarksflüssigkeit Liquide céphalo-rachidien de foënard Liquido spinale di codabiforca Płyn rdzeniowy widłogona