Amaranthus blitum subsp. oleraceus (purple amaranth) | Herbs - Dicotyledons other than Composites | | Exotic |
Aponogeton distachyos (Cape pondweed) | Herbs - Monocots | | Exotic |
Azolla rubra (Pacific azolla, azolla, red azolla) | Ferns | Not Threatened | Native |
Bidens frondosa (beggar's ticks) | Herbs - Dicotyledonous composites | | Exotic |
Bolboschoenus fluviatilis (marsh clubrush, kukuraho, purua grass) | Sedges | Not Threatened | Native |
Callitriche petriei (Petrie's starwort) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Carex flagellifera (Glen Murray tussock, trip me up) | 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 |
Centipeda cunninghamii (sneezeweed) | Herbs - Dicotyledonous composites | Not Threatened | Native |
Ceratophyllum demersum (Hornwort, coontail) | Herbs - Dicotyledons other than Composites | | Exotic |
Cordyline australis (cabbage tree, tī, tī kōuka, palm lily) | Trees & Shrubs - Monocotyledons | Not Threatened | Native |
Cotula coronopifolia (bachelor's button, yellow buttons, waterbuttons) | Herbs - Dicotyledonous composites | Not Threatened | Native |
Crassula ruamahanga | Herbs - Dicotyledons other than Composites | At Risk – Naturally Uncommon | Native |
Cyperus ustulatus (coastal cutty grass, giant umbrella sedge, cyperus) | Sedges | Not Threatened | Native |
Egeria densa (Egeria) | Herbs - Monocots | | Exotic |
Eleocharis acuta (sharp spike sedge) | Sedges | Not Threatened | Native |
Eleocharis gracilis (slender spike sedge) | Sedges | Not Threatened | Native |
Elodea canadensis (Canadian pondweed) | Herbs - Monocots | | Exotic |
Euchiton audax (creeping cudweed) | Herbs - Dicotyledonous composites | Not Threatened | Native |
Glossostigma elatinoides | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Histiopteris incisa (histiopteris, water fern, mātātā, bat's wing fern) | Ferns | Not Threatened | Native |
Hydrocotyle heteromeria (waxweed, waxweed pennywort) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Hydrocotyle hydrophila | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Hydrocotyle novae-zeelandiae var. novae-zeelandiae | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Isachne globosa (swamp millet) | Grasses | Not Threatened | Native |
Juncus bufonius var. bufonius (toad rush) | Rushes & Allied Plants | | Exotic |
Juncus edgariae (wiwi, Edgar's rush) | Rushes & Allied Plants | Not Threatened | Native |
Juncus pallidus (giant rush, leafless rush) | Rushes & Allied Plants | Not Threatened | Native |
Juncus tenuis subsp. tenuis (track rush) | Rushes & Allied Plants | | Exotic |
Landoltia punctata (purple-backed duckweed) | Herbs - Monocots | | Exotic |
Lemna disperma (common duckweed) | Herbs - Monocots | Not Threatened | Native |
Lilaeopsis ruthiana | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Lobelia perpusilla | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Ludwigia palustris (Water purslane, marsh ludwigia) | Herbs - Dicotyledons other than Composites | | Exotic |
Machaerina juncea (sedge, tussock swamp twig rush) | Sedges | Not Threatened | Native |
Mentha pulegium (pennyroyal) | 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 capensis (Cape blue water lily) | Herbs - Dicotyledons other than Composites | | Exotic |
Paspalum distichum (Mercer grass) | Grasses | | Exotic |
Persicaria decipiens | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Persicaria hydropiper (water pepper) | Herbs - Dicotyledons other than Composites | | Exotic |
Phormium tenax (flax, harakeke, kōrari (Māori name for inflorescence).) | Herbs - Monocots | Not Threatened | Native |
Poa annua (annual poa) | Grasses | | Exotic |
Potamogeton cheesemanii (red pondweed) | Herbs - Monocots | Not Threatened | Native |
Potamogeton crispus (curly pondweed) | Herbs - Monocots | | Exotic |
Potamogeton ochreatus (blunt pondweed) | Herbs - Monocots | Not Threatened | Native |
Ranunculus repens (buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Ranunculus sceleratus (celery-leaved buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Ranunculus trichophyllus (water buttercup) | Herbs - Dicotyledons other than Composites | | Exotic |
Rorippa palustris (marsh yellow cress, poniu) | Herbs - Dicotyledons other than Composites | Not Threatened | Native |
Rumex crispus (curled dock) | Herbs - Dicotyledons other than Composites | | Exotic |
Ruppia megacarpa (Horses mane weed, lakeweed) | Herbs - Monocots | At Risk – Naturally Uncommon | Native |
Ruppia polycarpa (Horses mane weed, lakeweed) | Herbs - Monocots | Not Threatened | Native |
Salix babylonica (weeping willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Salix cinerea (grey willow, pussy willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Salix fragilis × S. euxina (crack willow) | Trees & Shrubs - Dicotyledons | | Exotic |
Schoenoplectus tabernaemontani (kuawa) | Sedges | Not Threatened | Native |
Typha orientalis (raupō, bullrush) | Herbs - Monocots | Not Threatened | Native |
Vallisneria australis (Eel grass) | Herbs - Monocots | | Exotic |
Wolffia australiana (water-meal) | Herbs - Monocots | Not Threatened | Native |