| Class/Family | Botanical Name | Common Name(s) | Origin |
| Asteraceae | Ageratina adenophora | Crofton Weed | Central America |
| Simaroubaceae | Ailanthus altissima | Tree of Heaven | China |
| Basellaceae | Anredera cordifolia | Madeira Vine | South America |
| Apocynaceae | Araujia hortorum | Moth vine | Peru |
| Asparagaceae | Asparagus aethiopicus | Asparagus fern | South Africa |
| Asparagaceae | Asparagus asparagoides | Bridal Creeper | South Africa |
| Asteraceae | Bidens pilosa | Cobbler's pegs, Farmer's friend | Temperate and tropical America |
| Poaceae | Briza subaristata | Shivery Grass | South America |
| Asteraceae | Coreopsis lanceolata | Coreopsis | North America |
| Malaceae | Cotoneaster glaucophyllus | Cotoneaster | China |
| Iridaceae | Crocosmia x crocosmiiflora | Montbretia | A hybrid of two tropical South African species and originally produced in France |
| Cyperaceae | Cyperus sesquiflorus | Sedge | Native of tropical regions |
| Iridaceae | Dietes iridioides | African Iris, Fortnight Lily | Africa |
| Poaceae | Ehrharta erecta | Panic Veldtgrass | South Africa |
| Poaceae | Eragrostis curvula | African Lovegrass | South Africa |
| Asteraceae | Erigeron karvinskianus | Bony-tip Fleabane | America |
| Asteraceae | Freesia hybrid | Freesia | Southern Africa |
| Rubiaceae | Gallium aparine | Goosegrass, Cleavers | Europe |
| Verbenaceae | Lantana camara | Lantana | Tropical South America |
| Liliaceae | Lilium formosan | Formosan Lily | China and Japan |
| Caprifoliaceae | Lonicera japonica | Japanese honeysuckle | China and Japan |
| Oleaceae | Ligustrum lucidum | Large-leaved privet | China and Japan |
| Oleaceae | Ligustrum sinense | Small-leaved privet | Native to Asia |
| Ochnaceae | Ochna serrulata | Mickey mouse plant | South Africa |
| Passifloraceae | Passiflora suberosa | Cork Passionflower, Small Passionfruit | South America |
| Malvaceae | Pavonia hastata | South America | |
| Phyllanthaceae | Phyllanthus tenellus | Hen and Chicken | Madagascar |
| Rosaceae | Rubus anglocandicans | Blackberry | Britain |
| Lycopsida | Selaginella kraussiana | Selaginella | South Africa |
| Caesalpinioideae | Senna pendula | Cassia | South America |
| Malvaceae | Sida rhombifolia | Paddy's Lucerne | Native of trop. regions |
| Solanaceae | Solanum mauritianum | Wild Tobacco Bush | South America |
| Caryophyllaceae | Stellaria media | Common Chickweed | Northern Hemisphere |
| Asteraceae | Taraxacum officinale | Dandelion | Europe |
| Commelinaceae | Tradescantia fluminensis | Trad, Wandering Jew | South America |