Browsing items filed under: Partial Shade × Full Shade × Wetland/Bog × Carex trifida Sedge Larges growing sedge with bluish/green foliage suitable for damp areas Cyathea medullaris Mamaku, black ponga Tallest of the tree ferns Cyathea smithii Soft tree fern Found throughout NZ in moist soils. Distinguishes itself from other tree fern species because of its 'skirt' of dead fronds that hang from the top of the plant. Ptisana salicina Marratia salicinia, King fern, para Stunning fern with tropical appearance now rare in the wild due to decimation by wild pigs and goats.