Tui and flax
NZ native bird - Fantail. This little bird will come very close to you when you walk in the garden, as insects are disturbed and they fly in to catch them.
Flax with carex & cabbage trees
Leptospermum scoparium - Manuka in flower (October). Tolerates dry or wet but needs light.
Cordyline australis - Ti kouka - cabbage tree: 8-12m, cork-like bark. Exposed, sun-semi-shade, all levels of moisture but prefers damp.
Carex virgata "Swamp Sedge"
O2 Landscapes - Coprosma propinqua
Cover of the Wetlands Restoration Handbook
Laurelia novae-zelandiae - Pukatea: H 10m x W 3m. Shade/semi-shade/sun, moist/damp, sheltered position. Moderately slow growing. Attractive bright green leaves. Reddish new branchlets. Specimen tree for damp areas..