Cyrtosperma johnstonii
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Alismatales
- family: Araceae
- genus: Cyrtosperma
- species: Cyrtosperma johnstonii
Bergshamra- Djursholm
Stockholm
Sweden
Denver
Colorado
United States
Acton