Chara rudis
- kingdom: Plantae
- phylum: Charophyta
- class: Charophyceae
- order: Charales
- family: Characeae
- genus: Chara
- species: Chara rudis
Mitterbach am Erlaufsee
Lower Austria
Mariazell
Styria
Austria
Konstanz
Baden-Württemberg
Germany
Kreuzlingen
Thurgau
Switzerland
Bromölla