Agrostis stolonifera (creeping bent) | Grasses | | Exotic |
Azolla pinnata (ferny azolla) | Ferns | | Exotic |
Bidens frondosa (beggar's ticks) | Herbs - Dicotyledonous composites | | Exotic |
Carex maorica (Māori sedge) | Sedges | Not Threatened | Native |
Carex secta (purei, pukio) | Sedges | Not Threatened | Native |
Carex virgata (swamp sedge, pukio, toitoi, toetoe) | Sedges | Not Threatened | Native |
Cenchrus clandestinus (kikuyu grass) | Grasses | | Exotic |
Centella uniflora (centella) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Ceratophyllum demersum (Hornwort, coontail) | Herbs - Dicotyledons other than Composites | | Exotic |
Cyperus congestus (purple umbrella sedge) | Sedges | | Exotic |
Cyperus ustulatus (coastal cutty grass, giant umbrella sedge, cyperus) | Sedges | Not Threatened | Native |
Dicksonia squarrosa (wheki, rough tree fern, harsh tree fern) | Ferns | Not Threatened | Native |
Eleocharis acuta (sharp spike sedge) | Sedges | Not Threatened | Native |
Eleocharis sphacelata (kutakuta, spikes of doom, bamboo spike sedge, tall spike sedge) | Sedges | Not Threatened | Native |
Elodea canadensis (Canadian pondweed) | Herbs - Monocots | | Exotic |
Epilobium pallidiflorum (tarawera, swamp willowherb) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
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 |
Galium trilobum (native bedstraw) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Glyceria fluitans (floating sweetgrass) | Grasses | | Exotic |
Helosciadium nodiflorum (water celery, fool's watercress) | Herbs - Dicotyledons other than Composites | | Exotic |
Histiopteris incisa (histiopteris, water fern, mātātā, bat's wing fern) | Ferns | Not Threatened | Native |
Hydrocotyle pterocarpa | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Hypochaeris radicata (catsear) | Herbs - Dicotyledonous composites | | Exotic |
Isachne globosa (swamp millet) | Grasses | Not Threatened | Native |
Isolepis distigmatosa | Sedges | Not Threatened | Native |
Isolepis prolifera | Sedges | Not Threatened | Native |
Isolepis reticularis | Sedges | Not Threatened | Native |
Isolepis sepulcralis | Sedges | | Exotic |
Juncus articulatus (jointed rush) | Rushes & Allied Plants | | Exotic |
Juncus effusus var. effusus (soft rush) | Rushes & Allied Plants | | Exotic |
Lachnagrostis filiformis (New Zealand wind grass) | Grasses | Not Threatened | Native |
Landoltia punctata (purple-backed duckweed) | Herbs - Monocots | | Exotic |
Lemna disperma (common duckweed) | Herbs - Monocots | Not Threatened | Native |
Lobelia anceps (New Zealand lobelia, shore lobelia) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Lotus pedunculatus (lotus) | Herbs - Dicotyledons other than Composites | | Exotic |
Ludwigia palustris (Water purslane, marsh ludwigia) | Herbs - Dicotyledons other than Composites | | Exotic |
Lycopus europaeus (Gypsywort) | Herbs - Dicotyledons other than Composites | | Exotic |
Machaerina arthrophylla | Sedges | Not Threatened | Native |
Machaerina articulata (jointed baumea, jointed twig rush) | Sedges | Not Threatened | Native |
Muehlenbeckia complexa var. complexa (small-leaved pōhuehue, scrub pōhuehue, wire vine) | 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 robustum (stout water milfoil) | Herbs - Dicotyledons other than Composites | At Risk – Declining | 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 |
Paesia scaberula (lace fern, ring fern, scented fern, pig fern) | Ferns | Not Threatened | Native |
Parablechnum novae-zelandiae (kiokio, horokio, palm leaf fern) | Ferns | Not Threatened | Native |
Paspalum distichum (Mercer grass) | Grasses | | Exotic |
Persicaria decipiens | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Phormium tenax (flax, harakeke, kōrari (Māori name for inflorescence).) | Herbs - Monocots | Not Threatened | Native |
Potamogeton cheesemanii (red pondweed) | Herbs - Monocots | Not Threatened | Native |
Potamogeton crispus (curly pondweed) | Herbs - Monocots | | Exotic |
Prunella vulgaris (self-heal) | Trees & Shrubs - Dicotyledons | | Exotic |
Ranunculus amphitrichus (waoriki) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Ranunculus flammula (spearwort) | Herbs - Dicotyledons other than Composites | | Exotic |
Ranunculus macropus (swamp buttercup) | Herbs - Dicotyledons other than Composites | Data Deficient | Native |
Ranunculus repens (buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Salix cinerea (grey willow, pussy willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Schoenoplectus tabernaemontani (kuawa) | Sedges | Not Threatened | Native |
Schoenus maschalinus (dwarf bog rush) | Sedges | Not Threatened | Native |
Sparganium subglobosum (bur-reed, maru) | Herbs - Monocots | Not Threatened | Native |
Triglochin striata (triglochin) | Herbs - Monocots | Not Threatened | Native |
Typha orientalis (raupō, bullrush) | Herbs - Monocots | Not Threatened | Native |
Utricularia australis (yellow bladderwort) | Herbs - Dicotyledons other than Composites | Threatened – Nationally Critical | Native |
Zealandia pustulata subsp. pustulata (hound's tongue, kōwaowao, pāraharaha) | Ferns | Not Threatened | Native |