intricate as handmade lace

Size
Length: 50–150 cm
Lifespan
10–30 years
Diet
Grows in damp, open places including stream banks, slip faces, and forest margins where light reaches the forest floor. Requires bright, dappled light and consistent moisture. Tolerates a range of soil types but prefers well-drained, humus-rich soils. Spreads vigorously via underground rhizomes.
Habitat
The lace fern sprawls through the damp, open places of New Zealand's forests – along stream banks, on slip faces, at the edges of tracks where the light breaks through. It is a fern of the gaps, a fern of the disturbed ground, a fern that seems to have forgotten how to stop growing. Its fronds are lacy, delicate, and endlessly branching, creating a tangle of green that can cover a hillside.
Range
Found throughout the North and South Islands, Stewart Island, and the Chatham Islands in damp, disturbed habitats. Most common along stream banks, forest margins, and slip faces from sea level to 1,000 metres, from Northland to Southland, particularly abundant in the west of the South Island and the central North Island.
Endemism
Endemic
Main Threats
None significant – this species is abundant and secure throughout its range. It is a vigorous grower that thrives in disturbed habitats and can form extensive colonies. No major threats identified, though its preference for damp, open sites makes it vulnerable to drought and land drainage in some areas.
Population
Abundant and secure throughout New Zealand. The lace fern is common in damp, disturbed habitats from sea level to 1,000 metres, particularly along forest edges and stream banks. It is a vigorous grower and can form extensive colonies. No conservation concerns. It is not rare. It is just everywhere, once you start looking.
Conservation Status
Not Threatened
This fern has no sense of boundaries. It starts in one spot – a stream bank, a slip face, a gap in the canopy – and then it just keeps going. Its fronds sprawl outward, rooting at the tips, sending up new fronds from the nodes. A single plant can cover several square metres, creating a tangled mat of lacy green. It is the botanical equivalent of someone who started a DIY project and never stopped. The chaos makes it special. The lace fern is a scrambler, not a clumper. It does not form a neat rosette like the hard fern. It sprawls. Its fronds are once-divided or twice-divided, with leaflets that are deeply lobed and feathery. The whole frond has a soft, lacy appearance – hence the name. But do not be fooled by the delicacy. This fern is aggressive. The stems are covered in small, glandular hairs that give them a sticky feel. The spores are produced on the undersides of the leaflets, protected by a small, hood-like indusium. It colonises disturbed ground. After a slip, after a flood, after a tree fall, the lace fern is often one of the first ferns to appear. It sends out its sprawling fronds, roots at the tips, and covers the bare soil with a living blanket. It stabilises the slope, holds the moisture, and creates conditions for other plants to follow. It reproduces by spores and by vegetative spread. The fronds root at the tips, producing new plants that are already connected to the parent. Over time, a single genetic individual can cover a large area. It is a fern of the edges. It does not like deep shade. It prefers dappled light, the kind that filters through a broken canopy. It is common along tracks, on stream banks, in the gaps between trees. In a world of tidy rosettes and symmetrical crowns, the lace fern is the messy one. It sprawls. It tangles. It covers the ground like a dropped net. It does not care about your aesthetic preferences. But it is also a hard worker. It stabilises slopes. It covers bare soil. It creates habitat for insects and lizards. It is not flashy. It is not famous. It is just the fern that shows up after the disturbance and gets to work. Walk along a forest track after a storm. Look at the slip face. That green tangle covering the bare soil – that is the lace fern. It has been there for decades. It will be there for decades more. It does not need to be tidy. It just needs to grow. And it has not forgotten how.