Ammophila
North America north of Mexico
Barkworth, M.E. (2007). Ammophila. In: M.E. Barkworth, K.M. Capels, S. Long, L.K. Anderton and M.B. Piep, Flora of North America north of Mexico 24, pp. 776-779. Oxford University Press, New York.
Mary E. Barkworth (2018). Ammophila species, in: KeyBase: Grasses of North America north of Mexico, <https://keybase.rbg.vic.gov.au/keys/show/8702> [Seen: 03-05-2024].
KeyBase (2024). Grasses of North America north of Mexico: Ammophila species. https://keybase.rbg.vic.gov.au/keys/show/8702 [Seen: 03-05-2024].