Agrostis stolonifera (creeping bent) | Grasses | | Exotic |
Alisma plantago-aquatica (water plantain) | Herbs - Monocots | | Exotic |
Argentina anserinoides (silverweed) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Bolboschoenus fluviatilis (marsh clubrush, kukuraho, purua grass) | Sedges | Not Threatened | Native |
Callitriche stagnalis (water starwort) | Herbs - Dicotyledons other than Composites | | Exotic |
Calystegia sepium subsp. roseata (pink bindweed) | Lianes & Related Trailing Plants - Dicotyledons | Not Threatened | Native |
Cardamine pratensis (cuckoo cress, lady's smock) | Herbs - Dicotyledons other than Composites | | Exotic |
Carex dipsacea (teasel sedge) | Sedges | Not Threatened | Native |
Carex leporina (oval sedge) | Sedges | | Exotic |
Carex maorica (Māori sedge) | Sedges | Not Threatened | Native |
Carex secta (purei, pukio) | Sedges | Not Threatened | Native |
Carex sinclairii (Sinclair's sedge) | Sedges | Not Threatened | Native |
Carex virgata (swamp sedge, pukio, toitoi, toetoe) | Sedges | Not Threatened | Native |
Ceratophyllum demersum (Hornwort, coontail) | Herbs - Dicotyledons other than Composites | | Exotic |
Cirsium vulgare (Scotch thistle) | Herbs - Dicotyledonous composites | | Exotic |
Coprosma propinqua var. propinqua (mingimingi) | Trees & Shrubs - Dicotyledons | Not Threatened | Native |
Cyperus congestus (purple umbrella sedge) | Sedges | | Exotic |
Cyperus ustulatus (coastal cutty grass, giant umbrella sedge, cyperus) | Sedges | Not Threatened | Native |
Eleocharis acuta (sharp spike sedge) | Sedges | Not Threatened | Native |
Elodea canadensis (Canadian pondweed) | Herbs - Monocots | | Exotic |
Epilobium ciliatum (willowherb) | Herbs - Dicotyledons other than Composites | | Exotic |
Erigeron sumatrensis (broad-leaved flea-bane) | Herbs - Dicotyledonous composites | | Exotic |
Euchiton involucratus | Herbs - Dicotyledonous composites | Not Threatened | Native |
Galium palustre subsp. palustre (marsh bedstraw) | Herbs - Dicotyledons other than Composites | | Exotic |
Glossostigma elatinoides | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Holcus lanatus (Yorkshire fog) | Grasses | | Exotic |
Hydrocotyle pterocarpa | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Juncus articulatus (jointed rush) | Rushes & Allied Plants | | Exotic |
Juncus edgariae (wiwi, Edgar's rush) | Rushes & Allied Plants | Not Threatened | Native |
Juncus microcephalus (South American rush) | Rushes & Allied Plants | | Exotic |
Kunzea ericoides (kānuka) | Trees & Shrubs - Dicotyledons | Threatened – Nationally Vulnerable | Native |
Lagarosiphon major (Lagarosiphon) | Herbs - Monocots | | Exotic |
Leersia oryzoides | Grasses | | Exotic |
Lobelia angulata (pratia) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Lolium arundinaceum subsp. arundinaceum (tall fescue) | Grasses | | Exotic |
Lotus pedunculatus (lotus) | Herbs - Dicotyledons other than Composites | | Exotic |
Ludwigia palustris (Water purslane, marsh ludwigia) | Herbs - Dicotyledons other than Composites | | Exotic |
Muehlenbeckia australis (pōhuehue, large-leaved muehlenbeckia) | Lianes & Related Trailing Plants - Dicotyledons | Not Threatened | Native |
Myosotis laxa subsp. caespitosa (water forget-me-not) | Herbs - Dicotyledons other than Composites | | Exotic |
Myriophyllum propinquum (common water milfoil) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Myriophyllum triphyllum (Water milfoil) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Nasturtium officinale (Watercress) | Herbs - Dicotyledons other than Composites | | Exotic |
Nymphaea alba (common water lily) | Herbs - Dicotyledons other than Composites | | Exotic |
Nymphaea mexicana (Mexican water lily) | Herbs - Dicotyledons other than Composites | | Exotic |
Parablechnum novae-zelandiae (kiokio, horokio, palm leaf fern) | Ferns | Not Threatened | Native |
Plantago australis (swamp plantain) | Herbs - Dicotyledons other than Composites | | Exotic |
Plantago lanceolata (narrow-leaved plantain) | Herbs - Dicotyledons other than Composites | | Exotic |
Poa annua (annual poa) | Grasses | | Exotic |
Potamogeton cheesemanii (red pondweed) | Herbs - Monocots | Not Threatened | Native |
Pseudognaphalium luteoalbum | Herbs - Dicotyledonous composites | Not Threatened | Native |
Pyrrosia eleagnifolia (leather-leaf fern, pyrrosia) | Ferns | Not Threatened | Native |
Ranunculus acris subsp. acris (giant buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Ranunculus amphitrichus (waoriki) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Ranunculus flammula (spearwort) | Herbs - Dicotyledons other than Composites | | Exotic |
Ranunculus repens (buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Rorippa palustris (marsh yellow cress, poniu) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Rubus fruticosus agg. (blackberry) | Trees & Shrubs - Dicotyledons | | Exotic |
Rumex conglomeratus (clustered dock) | Herbs - Dicotyledons other than Composites | | Exotic |
Rumex obtusifolius (broad-leaved dock) | Herbs - Dicotyledons other than Composites | | Exotic |
Salix babylonica (weeping willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Salix fragilis × S. euxina (crack willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Salix ×reichardtii (pussy willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Schoenoplectus tabernaemontani (kuawa) | Sedges | Not Threatened | Native |
Symphyotrichum lanceolatum (sea aster) | Herbs - Dicotyledonous composites | | Exotic |
Typha orientalis (raupō, bullrush) | Herbs - Monocots | Not Threatened | Native |
Veronica anagallis-aquatica (water speedwell) | Herbs - Dicotyledons other than Composites | | Exotic |