| Malvaceae | |
Plagianthus chathamicus
| Cockayne | Trans. & Proc. New Zealand Inst. xxxiv. 319 | |
| Malvaceae | |
Plagianthus divaricatus
| J.R. Forst. & G. Forst. | Char. Gen. Pl. 43 | 1775 |
| Malvaceae | |
Plagianthus pulchellus
| (Willd.) Hook. f. | Fl. Tasman. 1: 49 | 1855 |
| Malvaceae | |
Plagianthus regius
| (Poit.) Hochr. | Annuaire Conserv. Jard. Bot. Genève 10: 16 | 1907 |
| Malvaceae | |
Plagianthus sidoides
| Hook. | Bot. Mag. | 1835 |
| Malvaceae | |
Plagianthus squamatus
| (Nees) Benth. | J. Linn. Soc., Bot. 6: 103 | 1862 |