The following have been recorded for N.Z. but are not accepted here as part of the naturalised flora. Details are provided in the checklists to naturalised plants; references to checklists follow the contents pages.

Abies alba

Acacia pycnantha

Acaena australis

Acer campestre

Achillea tomentosa

Aethusa cynapium

Agrimonia eupatoria

Althaea officinalis

Alyssum saxatile subsp. orientale

Anagallis grandifolia

Anchusa italica

Anchusa officinalis

Anthriscus cerefolium

Anthriscus sylvestris

Apium lessonii

Arabis hirsuta

Arenaria peploides

Arnoseris minima

Artemisia abrotanum

Atriplex leptocarpum

Atriplex littoralis

Atriplex semibaccata

Brassica integrifolia

Caesalpinia bonduc

Camelina microcarpa

Campanula hybrida

Campanula trachelium

Capsicum annuum

Cardamine amara

Cardamine xanthina

Carduus benedictus

Carduus heterophyllus

Carduus pratensis

Carum carvi

Caucalis platycarpos

Cerastium alpinum

Chamaecyticus hirsutus

Chenopodium auricomiforme

Chenopodium macrospermum subsp. halophilum

Chenopodium polyspermum

Chenopodium rubrum

Chenopodium urbicum

Chenopodium viride

Cistus populifolius

Colobanthus repens

Cosmos diversifolius

Cotula asiatica

Crambe maritima

Crepis biennis

Crepis pulchra

Crepis tectorum

Cucumis sativus

Cupressus sempervirens

Cuscuta epilinum

Cuscuta racemosa

Cynoglossum furcatum

Cynoglossum micranthum

Dianthus carthusianorum

Dianthus cinnabarinus

Diplotaxis viminea

Eclipta prostrata

Epacris microphylla

Epacris pulchella

Erica cruenta

Erodium cygnorum

Erodium maritimum

Erysimum repandum

Erythraea australe

Erythraea centaurium var. pulchella

Eucalyptus camuldulensis

Eucalyptus eugenioides

Eucalyptus haemastoma

Eucalyptus radiata

Euphorbia clutioides

Eutaxia strageana

Fragaria moschata

Fumaria parviflora

Galium spurium

Geranium lucidum

Gilia cerulea

Gnaphalium sylvaticum

Guizotia abyssinica

Hieracium umbellatum

Hippocrepis comosa

Hydrocotyle vulgaris

Jatropha curcas

Juniperus communis

Knautia arvensis

Lagenaria siceraria

Larix kaempferi

Lathyrus sylvaticus

Lepidium hirtum

Lepidium neglectum

Lepidium ruderale

Ligusticum scoticum

Linum australis

Lunaria rediviva

Lychnis viscaria

Lycopsis arvensis

Lysimachia nemorum

Malva campestris

Malva pusilla

Melanthera biflora

Melittis melissophyllum

Mentha dentata

Mesembryanthemum angulatum

Microlepia strigosa

Montia fontana subsp. amporitana

Myosotis lutea

Myriophyllum spicatum

Nicotiana suaveolens

Nothofagus obliqua

Nothofagus procera

Odontites rubra

Oenothera suaveolens

Ononis arvensis

Opuntia stricta

Orobanche amethystina

Orobanche elatior

Orobanche picridis

Papaver lecoqii

Parahebe derwentiana

Phaseolus vulgaris

Physalis alkekengi

Pimpinella saxifraga

Pinus densiflora

Pinus pinea

Pinus torreyana

Plantago media

Plantago obtusifolia

Podalyria sericea

Polygonum bistorta

Polygonum mite

Poranthera ericifolia

Potentilla sterilis

Primula ×polyantha

Primula elatior

Primula veris

Primula vulgaris

Proboscidea louisianica

Prunella grandiflora

Prunus communis

Prunus spinosa

Pteris longifolia

Quercus petraea

Ranunculus lingua

Ranunculus pratensis

Ranunculus pusillum

Rhinanthus crista-galli

Rubus conspicuus

Rubus discolor

Rubus pubescens

Rubus rudis

Rubus thyrsoideus

Rubus villosus

Rumex palustris

Rumex sanguineus

Rumex viridis

Salix ×blanda

Satureja hortensis

Saxifraga sarmentosa

Sechium edule

Senecio acanthifolius

Senecio canadensis

Senecio vincifolia

Silene orientalis

Sisymbrium irio

Sisymbrium orientale var. leiocarpum

Solanum humile

Solanum indicum

Solanum mammosum

Solanum virginianum

Solanum wrightii

Spergula pentandra

Spergula pilifera

Spirea salicifolia

Stellaria palustris

Stylidium graminifolium

Stylidium spathulatum

Trifolium dalmaticum

Ulmus glabra

Utricularia vulgaris

Verbascum nigrum

Verbascum phoeniceum

Veronica austriaca

Veronica saxatilis

Vicia tenuissima

Viola cornuta