| Salt/brackish water species (W) |
| Zostera marina, Zostera noltii, Ruppia maritima, Ruppia cirrhosa, Zanichellia palustris s.l., |
| Potamogeton pectinatus. |
| Pioneer species (P) |
| Spartina anglica & maritima, Salicornia europaea, S. procumbens & stricta, Suaeda maritima, Bassia hirsuta. |
| Species of the low marsh (L) |
| Puccinellia maritima, Atriplex portulacoides, Cochlearia anglica, Aster tripolium, |
| Spergularia maritima & salina, Triglochin maritima, Limonium vulgare, Plantago maritima, |
| Parapholis strigosa, Atriplex pedunculata. |
| Species of the high marsh (H) |
| Artemisia maritima, Armeria maritima, Juncus gerardi, Glaux maritima, Agrostis stolonifera, Festuca rubra, Elymus athericus, |
| Juncus maritimus, Potentilla anserina, Trifolium fragiferum, pratense & repens, Poa pratensis, Lolium perenne, |
| Plantago coronopus, Sagina maritima & nodosa, Carex extensa, Carex distans, Ononis spinosa, Hordeum secalinum |
| Leontodon autumnalis & saxatilis, Lotus corniculatus & glaber, Centaurium pulchellum & littorale, Cochlearia danica, |
| Odontites vernus ssp. serotinus, Cerastium fontanum ssp. Vulgare, Bupleurum tenuissimum, Hordeum marinum, |
| Species of the brackish marsh (B) |
| Phragmites australis, Bolboschoenus maritimus, Schoenoplectus tabernaemontani, Blysmus rufus, |
| Agrostis stolonifera, Eleocharis uniglumis, Triglochin palustris, Cotula coronopifolia, Potentilla anserina, |
| Juncus maritimus, Oenanthe lachenalii, Trifolium repens & fragiferum, Festuca arundinacea, Elymus repens, |
| Leontodon autumnalis, Alopecurus geniculatus, Ranunculus sceleratus, Centaurium pulchellum. |
| Juncus ambiguus, articulatus & bufonius, Chenopodium rubrum & glaucum. |
| Species of sandy green beaches (G) |
| Elymus farctus, Honckenya peploides, Salsola kali ssp. kali, Cakile maritima. |
| Species of fresh anthropogenic grasslands (F) |
| Lolium perenne, Poa annua, Cynosurus cristatus, Bellis perennis, Taraxacum sect. Vulgaria, Plantago major, |
| Poa trivialis, Elymus repens, Capsella bursa-pastoris, Polygonum aviculare, Cirsium arvense, Rumex obtusifolius. |
Source: Waddensea World Heritage>