Isoetes histrix
- kingdom: Plantae
- phylum: Tracheophyta
- class: Lycopodiopsida
- order: Isoetales
- family: Isoetaceae
- genus: Isoetes
- species: Isoetes histrix
- France
Malveira
Venda do Pinheiro
Lisbon
PortugalAlderney
England
United Kingdom