stiff saltmarsh-grass
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Puccinellia
- species: Puccinellia rupestris
Fredrikstad
Østfold
Norway
Gamleby
Kalmar
Sweden- United Kingdom
Philadelphia
Pennsylvania
United States
Hartlepool