Hordeum marinum Hudson

Sea barley

source: Willem Braam, Verspreidingsatlas 2015
source: Willem Braam, Verspreidingsatlas 2015


GrinTax Hordeum marinum Huds.
The Plant list Hordeum marinum Huds.
English name Sea barley

Crop relationship
Barley tertiary genepool

FLORON data (2014)
Indigeneity native
Trend since 1950 very strongly decreasing (75-100%)
Presence rare
Status Red List: endangered
Legal protection unlisted

Conservation in the Netherlands

    A) In protected areas per province

    For subareas the link to the larger area is provided.

    a = actually present, p = possible
    (see: About CWRnl / Methodology)


    • Dongeradiel (SBB [p])
    • Nationaal Park Lauwersmeer (NM [p])
    • Nationaal Park Schiermonnikoog (NM [a], SBB [a])


    • Uithuizerwad (NM [a])


    • Slikken van de Heen (NM [p])


    • Elswout (SBB [p])
    • Kooibosch Luttickduin (SBB [p])


    • Bloemdijken van Zuid-Beveland (NM [p])
    • De Poel (NM [p])
    • Grevelingen (SBB [p])
    • Kwistenburg (NM [p])
    • Schouwen-Duiveland (SBB [a])
    • Veerse Meer (SBB [p])
    • Zuid-Beveland (SBB [p])
    • Zuidkust van Schouwen (NM [a])

    B) In genebank

    • CGN: no material

    © NDFF, 2015
    © NDFF, 2015

    Legend distribution maps

    upper map:

    • red: locations of presence
    • green: management type maps with areas that qualify for financial support (largely representing the Dutch network of protected areas). Protected water areas are not shown (IJsselmeer, Markermeer and all Frisian lakes, Randmeren & Vechtplassen).

    - - - - - - - - - -

    lower map:

    Distribution area
    Europe SW-Europe coastal areas
    Asia SW-Asia inland salt steppes
    Africa N-Africa coastal areas
    North-America naturalized
    South-America -
    Australia naturalized
    source:, 2015
    source:, 2015

    Expected distribution due to climate change

    Expected distribution area in 2070 in the European region and in the Netherlands compared with current suitable areas under an optimistic and a pessimistic climate change scenario (see: About CWRnl / Methodology). Click on a map to enlarge.


    Optimistic scenario

    Distribution data GBIF, June 2016. doi:10.15468/dl.1l7vqu
    Distribution data GBIF, June 2016. doi:10.15468/dl.1l7vqu

    Pessimistic scenario


    Additional information