User blog comment:Kogath/Monster Hunter X Discussion/@comment-4969421-20150602172947/@comment-25275196-20150603064001

Well of course there's no dragonfell berries in the frozen seaway, all of the seeds and berries were replaced with nulberries before 4 came onto the scene, what you should look for is if dragonfell berries were found in any of the old ice maps.