Horsetail

The Horsetail is a plant that is brownish and stiffly sticks out of the ground like a post. This hardy plant can survive in soil conditions with few nutrients. Horsetails, unlike most plants, have retained the primitive method of reproducing via spores.

In Pikmin 251
Horsetails can be seen in Pikmin 251. Their appearance is exactly like how it is in.

In Pikmin: Redemption
In Pikmin: Redemption, Horsetails are almost completely wiped out of existence. The only living specimens are found in The Oasis.