From Pikmin Fanon
The Withered Horsetail is a dead horsetail.
In fanon games
This is where users type their version of the Withered Horsetail.
In Pikmin: Redemption
This article or section presents information pertaining to Pikmin: Redemption, created by Sir Pikmin.
In Pikmin: Redemption, the Withered Horsetail serves as a sign that Horsetails are almost completely wiped out of existence. The only living specimens are located in the Oasis. Withered Horsetails are almost completely yellow in appearance with a few blue-and-black spots of mold. The dead plant has no known use.