Jaguariba wiersemana was a species of herbaceous, rhizomatous, aquatic plant, which occurred in the early Cretaceous period of Northern Gondwana.

[1] Jaguariba wiersemana was an aquatic herbaceous plant with up to 15 mm wide rhizomes and up to 1.5 mm wide adventitious roots.

[1] It was first described by Clément Coiffard, Barbara Adelheid Rosina Mohr, and Mary Elizabeth Cerruti Bernardes-de-Oliveira in 2013.

[2] The generic name Jaguariba is derived from Rio Jaguaribe in Ceará, Brazil.

The specific epithet wiersemana honours John Harry Wiersema.