Diario del proyecto Class C Washington State Noxious Weeds

Added beach grasses, Ammophila breviligulata, A. arenaria, and the hybrid A. breviligulata x A. arenaria.

https://www.nwcb.wa.gov/weeds/beach-grass-american-european-and-hybrid

These are listed on iNaturalist as Calamagrostis spp.