Bas Kers (NL): Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea nuttallii (Nuttall's waterweed / Smalle waterpest) 0442 & Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea nuttallii (Nuttall's waterweed / Smalle waterpest) 0442 & Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Elodea nuttallii (Nuttall's waterweed / Smalle waterpest) 0442 & Elodea canadensis (Canadian Waterweed / Brede waterpest) 0441
Bas Kers (NL): Hydrocharis morsus-ranae (Frogbit / Kikkerbeet) 0640
Bas Kers (NL): Hydrocharis morsus-ranae (Frogbit / Kikkerbeet) 0640
Bas Kers (NL): Ranunculus lingua (Greater Spearwort / Grote boterbloem) 1051 & Hydrocharis morsus-ranae (Frogbit / Kikkerbeet) 0640
Bas Kers (NL): Ranunculus lingua (Greater Spearwort / Grote boterbloem) 1051 & Hydrocharis morsus-ranae (Frogbit / Kikkerbeet) 0640
Bas Kers (NL): Stratiotetum (Krabbenscheer-associatie)
Bas Kers (NL): Stratiotetum (Krabbenscheer-associatie)
Bas Kers (NL): Parvopotamion (Verbond der kleine fonteinkruiden)
Bas Kers (NL): Parvopotamion (Verbond der kleine fonteinkruiden)