Some 60 vascular indigenous plant species have been found occurring in Wilf Mexted Scenic Reserve.
The following species list is based upon a survey by Lands and Survey in 1983 and published in "Scenic Reserves of the Lower North Island" 1986. The Occurence column data is additional and recent.
| Scientific Name | Common Name | Occurence |
| | | |
| GYMNOSPERM TREES AND SHRUBS | | |
| Dacrycarpus dacrydioides | white pine / kahikatea | u |
| Dacrydium cupressinum | rimu | z, u |
| Stachypitys ferruginea | miro | u |
| | | |
| MONOCOTYLEDONOUS TREES AND SHRUBS | | |
| Rhopalostylis sapida | nikau palm | z |
| | | |
| DICOTYLEDONOUS TREES AND SHRUBS | | |
| Alectryon excelsus subsp. excelsus | titoki | s |
| Arictotelia serrata | wineberry / makomako | z, u |
| Beilschmiedia tawa | tawa | |
| Brachyglottis repanda | rangiora | |
| Coprosma grandifolia | raurekau | |
| Coprosma propinqua subsp. propinqua | mingimingi | z |
| Coprosma repens | taupata | o |
| Coprosma rhamnoides | twiggy coprosma | l |
| Coprosma robusta | karamu | |
| Coprosma propinqua x C. robusta (unc) | | |
| Corynocarpus laevigatus | karaka | o |
| Dysoxolum spectabile | kohekohe | |
| Elaeocarpus dentatus | hïnau | o |
| Fuchsia excorticata | tree fuchsia / kötukutuku | u |
| Geniostoma ligustrifolium var. ligustrifolium | maori privet / hangehange | |
| Griselinia lucida | shining broadleaf / puka | z, u |
| Hedycarya arborea | pigeon wood / porokaiwhiri | o |
| Knightia excelsa | NZ honeysuckle / rewarewa | z |
| Kunzea ericoides | kanuka | o |
| Macropiper excelsum subsp. excelsum | kawakawa | |
| Melicytus ramiflorus subsp. ramiflorus | whiteywood / mähoe | |
| Myrsine australis | red matipo / mapou | |
| Olearia rani var. colorata | tree daisy / heketara | z |
| Pennantia corymbosa | kaikomako | o |
| Pittosporum eugenioides | lemonwood / tarata | z p |
| Pittosporum tenuifolium | köhühü | z p |
| Pseudopanax arboreus | five finger / whauwhaupaku | |
| Pseudopanax crassifolius | lancewood / horoeka | |
| Pseudopanax lessonii | | p |
| Schefflera digitata | seven finger / pate | z |
| Solanum laciniatum | poroporo | o |
| Sophora microphylla | kowhai | p |
| Weimannia racemosa subsp. racemosa | kamahi | o |
| | | |
| MONOCOTYLEDONOUS LIANES | | |
| Freycinetia banksii | kiekie | z o |
| Ripogonum scandens | supplejack / kareao | o |
| | | |
DICOTYLEDONOUS LIANES AND
RELATED TRAILING PLANTS | | |
| Clematis paniculata | NZ clematis / puawhänanga | |
| Metrosideros diffusa | climbing rata / akatea | z |
| Metrosideros fulgens | red rata vine / akakura | z |
| Metrosideros perforata | white rata vine / akatea | |
| Muehlenbeckia australis | bush pöhuehue | o |
| Muehlenbeckia complexa | coastal pöhuehue | o |
| Parsonsia heterophylla | NZ jasmine / kaihua | o |
| Passiflora tetrandra | NZ passion-vine / köhia | z |
| Rubus cissoides | bush lawyer / tätarämoa | u |
| | | |
| FERNS | | |
| Adiantum cunninghamii | maidenhair fern | z |
| Anarthropteris lanceolata | | z |
| Arthropteris tenella | | z |
| Asplenium bulbiferum | hen & chickens fern / manamana | |
| Asplenium flaccidum | hanging spleenwort / makawe | o |
| Asplenium oblongifolium | shining spleenwort / huruhuruwhenua | |
| Asplenium polyodon | sickle spleenwort / petako | |
| Blechnum chambersii | lance fern / nini | |
| Blechnum discolor | crown fern / piupiu | |
| Blechnum filiforme | thread fern / pänako | |
| Cyathea dealbata | silver tree fern / ponga | |
| Cyathea medullaris | black tree fern / mamaku | |
| Hymenophyllum demissum | irirangi | z |
| Lastreopsis glabella | smooth shield fern | |
| Lastreopsis hispida | hairy fern / tuakura | |
| Microsorum pustulatum | hounds tongue fern / kowaowao | |
| Microsorum scandens | fragrant fern / mokimoki | |
| Paesia scaberula | scented fern / matata | |
| Pellea rotundifolia | button fern / tarawera | |
| Pneumatopteris pennigera | gully fern / pakau | |
| Polystichum neozelandicum subsp. zerophyllum | black shield fern / pikopiko | |
| Pteridium esculentum | bracken / rahurahu | |
| Pyrrosia serpens | leather leaf fern | |
| Rumohra adiantiformis | | z |
| Tricomanes endlicherianum | | z |
| | | |
| ORCHIDS | | |
| Microtis unifolia | common onion orchid / maikaika | |
| | | |
| GRASSES | | |
| Microlaena stipoides | meadow rice grass | |
| | | |
| SEDGES | | |
| Uncinia uncinata | hook grass / watu | |
| Carex virgata | | z |
| | | |
| REMAINING MONOCOTYLEDONOUS PLANTS | | |
| Collospermun hastatum | perching lily / kahakaha | z |
| | | |
| DAISY-LIKE HERBS (COMPOSITES) | | |
| Sencio minimus | | |
| | | |
DICOTYLEDONOUS HERBS
OTHER THAN COMPOSITES | | |
| Cardamine sp. (C. debilis agg.) | NZ bittercress | 4% |
| Hydrocotyle heteromeria | hydrocotyle | 23% |
| Hydrocotyle moschata | pennywort | |
| Ranunculus reflexus | hairy buttercup / maruru | 2% |
| Stellaria decipiens | NZ chickweed | 4% |
| | | |