Atlas of North European vascular plants
Hultén & Fries 1986
255 Puccinellia coarctata Fern. & Wearth.
The taxonomic position of this arctic species is somewhat uncertain (Fl. Eur. 5/1980, p. 168: ld; see also no. 253). It belongs to the amphi-atlantic plants (Hultén, Amphi-atl., p. 280 and map 262).