Distinctive, pinnatifid fronds are divided almost to the midrib. This creates a tassel-like appearance. The tassel fern is a fern of the forest floor and rocky slopes. It forms large colonies from its long-creeping, scaly rhizome. It is not a fussy fern. It tolerates drier conditions than many of its relatives. It can be found in both shaded forests and open, rocky areas. This flexibility allows it to persist where others might struggle. The fronds are bright green and leathery. A prominent midrib runs through the centre. The divisions are deep, reaching almost to the central stem. This gives the frond a feathery, tassel-like look. The sori, which are the clusters of sporangia, are large and round. They are arranged in two rows along the undersides of the fronds. When mature, they are bright orange. This provides a striking contrast to the green frond. The colour is hard to miss if you know where to look. It spreads. The tassel fern reproduces by spores, but it also spreads by its creeping rhizome. A single plant can form a large colony over time. Its rhizome crawls across the forest floor, sending up new fronds at intervals. In open, rocky areas, these colonies can cover large patches of ground. The spread is slow but steady. It claims space by persistence rather than speed. The tassel fern is unusual because it is found throughout the Northern Hemisphere as well as in New Zealand. Most native ferns are endemic, meaning they are found nowhere else. The tassel fern is a global species. It is one of the few ferns that has managed to cross oceans and establish itself on multiple continents. How it got to New Zealand is a mystery. Perhaps its spores drifted across the Pacific, carried by the wind. Perhaps it has been here since the breakup of Gondwana, a relic of an ancient global distribution. The answer remains unknown. In a forest of tall tree ferns and climbing epiphytes, the tassel fern is the low one. It stays on the ground. It spreads across the forest floor, forming green mats on the rocky slopes. It does not need to be tall. It does not need to climb. It just needs a bit of soil, a bit of shade, and the patience to spread. It occupies the niche others ignore. Walk through a forest. Look at the forest floor. Those bright green, tassel-like fronds forming large colonies on the banks and slopes are the tassel fern. It is not rare. It is not flashy. It is just a fern that has figured out how to be everywhere, from the forests of New Zealand to the hills of Europe. It does not need to be famous. It just needs to be. No one told it otherwise.