Records of purely cultivated species are displayed in a different font and colour.
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| Family name | Species name | Location | Link to record |
| Euphorbiaceae | Acalypha caperonioides | Halfway House, Headlands | Record |
| Euphorbiaceae | Acalypha petiolaris | Halfway House, Headlands | Record |
| Amaranthaceae | Alternanthera caracasana | Halfway House, Headlands | Record |
| Apiaceae | Apium leptophyllum | Halfway House, Headlands | Record |
| Asparagaceae | Asparagus laricinus | Halfway House, Headlands | Record |
| Combretaceae | Combretum platypetalum subsp. oatesii | Halfway House, near Headlands | Record |
| Asteraceae | Cotula australis | Halfway House, Headlands | Record (with image) |
| Pedaliaceae | Dicerocaryum senecioides | Halfway House, Headlands | Record (with image) |
| Convolvulaceae | Dichondra micrantha | Halfway House, Headlands | Record (with image) |
| Acanthaceae | Dicliptera melleri | Halfway House, near Headlands | Record (with image) |
| Rubiaceae | Fadogia stenophylla subsp. odorata | Halfway House, near Headlands | Record |
| Amaranthaceae | Guilleminea densa | Halfway House, Headlands | Record |
| Fabaceae subfamily Papilionoideae | Indigofera spicata | In parking area, Halfway House, Headlands | Record (with image) |
| Polygonaceae | Oxygonum dregeanum | Halfway House, Headlands | Record |
| Rubiaceae | Pentanisia sykesii subsp. otomerioides | Halfway House, near Headlands | Record (with image) |
| Dipsacaceae | Scabiosa columbaria | Halfway House, Headlands | Record |
| Amaryllidaceae | Tulbaghia leucantha | Halfway House, Headlands | Record (with image) |
| Verbenaceae | Verbena brasiliensis | Halfway House, Headlands | Record |
| Campanulaceae | Wahlenbergia undulata | Halfway House, Headlands | Record |
Number of records found: 19