NSW Water Fern (Super Rare)

One of Australia's rarest aquatic ferns. Wild-collected. Limited availability.

Here's a plant most hobbyists will never see in person. The NSW Fern is an Australian native species found growing along waterways from the rainforest gullies of New South Wales to the creek systems of Western Australia. Despite carrying the name "NSW Fern," this species has a distribution range spanning the continent. And for the record, no confirmed scientific name exists for this fern at the time of writing. Taxonomists have yet to formally classify the species, which tells you something about how under-documented Australian aquatic flora remains.

This fern does something few Australian natives do well: it thrives fully submerged. Drop this species into your aquarium, give it clean water and moderate light, and watch it develop those elegant pinnate fronds underwater. It adapts to full aquatic life with the kind of quiet confidence you wish you had at a dinner party. Most ferns sulk when submerged for extended periods. This one settles in and gets to work.

Why This Plant Stands Apart
The NSW Fern is classified as "Very Rare" in the Australian aquatic plant trade. Only a handful of growers propagate this species, and when stock becomes available, it moves fast. You won't find this sitting on a shelf at your local Bunnings garden section. This is a collector's fern. A conversation starter. The sort of plant seasoned hobbyists recognise across a room and walk over to ask about.

In the aquarium, mature fronds exceed 15 cm with ease. The growth habit is upright and architectural, producing tall, alternating pinnate leaflets along a central rachis. Younger specimens stay compact with softer, broader fronds closer to the base. As the plant matures, the vertical reach becomes pronounced, creating a layered canopy effect in the mid-ground to background of your scape.

Outside the aquarium, this fern performs equally well in terrariums, paludariums, and emersed setups. Potted in sphagnum moss or mounted to hardscape with exposed roots, the emersed form develops larger, more textured fronds with a deeper green colouration. The product photos show both growth stages: the compact juvenile on the left and the towering mature specimen on the right, grown in terracotta with a sphagnum moss base.

Care Specifications
Common Name: NSW Fern / Australian Native Fern
Scientific Name: Unconfirmed (pending formal classification)
Origin: Australia — NSW, QLD, WA (native range)
Growth Form: Epiphytic / Lithophytic / Terrestrial
Aquatic Suitability: Fully aquatic, emersed, or semi-aquatic
Mature Height (Submerged): 15+ cm (taller in emersed conditions)
Growth Rate: Slow to moderate
Lighting: Low to medium (avoid direct intense lighting)
CO2: Not required (benefits from supplementation)
Water Temperature: 18°C – 28°C
pH Range: 6.0 – 7.5
Water Hardness: Soft to moderate (prefers lower GH)
Substrate: Attach to hardscape. Do not bury the rhizome.
Propagation: Rhizome division / spore (slow)
Difficulty: Intermediate
Availability: Very Rare — Limited Stock

Placement and Aquascaping Applications
Think of this fern as the feature actor in your layout, not a background extra. In aquarium aquascapes, the NSW Fern works best mounted to driftwood or stone in the mid-ground to background zone. Use aquarium-safe super glue or cotton thread to attach the rhizome to your chosen hardscape. Like all epiphytic ferns, burying the rhizome in substrate leads to rot. Keep those roots exposed and let the plant grip on its own over time.

For jungle-style and nature aquarium layouts, a single mature NSW Fern creates a focal point with genuine presence. Pair it with Bucephalandra species along the lower hardscape, some Anubias Nana Petite for textural contrast, and a carpeting moss at the base. The vertical reach of this fern draws the eye upward, creating depth and dimension in your scape.

In terrariums and paludariums, mount the fern to the background or midground hardscape where humidity stays high. Sphagnum moss at the base retains moisture around the roots. Under these conditions, the fronds grow larger and develop richer colour than their submerged counterparts. If you are building an Australian biotope setup, this fern pairs naturally with other native species like Lomandra, Marsilea, and native Stringy Moss.

Compatibility
The NSW Fern is shrimp safe. Neocaridina and Caridina species graze happily on biofilm forming along the fronds without damaging the plant tissue. Small nano fish, rasboras, and tetras are all compatible. Avoid housing with large cichlids, goldfish, or any species known to uproot or consume plant material.

Water-wise, this fern favours softer, slightly acidic conditions. Tap water in many Australian regions (including Perth and parts of eastern Australia) runs moderate to hard. If you're running a planted tank, consider mixing in RO water to bring your GH and KH down. The fern tolerates a wider range than most rare species, but it performs noticeably better when conditions sit below 8 GH.

The Rarity Factor
Here's the part where we level with you. This plant is genuinely scarce in the hobby. The NSW Fern is wild-sourced from natural populations across Australia, and propagation rates are slow. Rhizome division produces small numbers of viable plantlets over long periods. Spore propagation takes months under controlled conditions before producing anything usable. There is no tissue culture production for this species. No commercial farms are scaling this plant. Every specimen available through The Nature Gallery has been carefully collected, acclimated, and grown on before reaching your hands.

When this fern sells out, restock timelines are unpredictable. Seasonal availability, collection ethics, and the time required for each plant to reach sellable size all play a role. If you've been looking for this species and you're reading this while stock is available, the decision is straightforward.

A Collector's Plant
For the hobbyist who has grown every Java Fern variant, propagated Bucephalandra across multiple tanks, and filled a shelf with Anubias cultivars, the NSW Fern represents something different. This is native Australian aquatic botany. An undescribed species growing fully submerged in your living room. There's something quietly remarkable about keeping a plant that taxonomists haven't named yet while hobbyists on the other side of the world have never heard of it.

If David Attenborough narrated your tank, this is the plant he'd pause on. Voice hushed, camera slow-zooming on a single unfurling frond: "And here, in this modest glass enclosure in suburban Australia, a fern without a scientific name continues a lineage stretching back hundreds of millions of years. Extraordinary."
And if Trevor Wallace walked past your setup? He'd stop, point at the fern, and go: "Bro. That fern is taller than my ambitions. What IS that thing?" And you'd get to explain. That's the plant. That's the moment.

What You Receive
Each order includes one (1) NSW Fern specimen grown and acclimated by The Nature Gallery. Plants are shipped bare root or potted (depending on current stock form) and wrapped to retain moisture during transit. Size varies per specimen, and photos represent the species at various growth stages for reference. Your plant will arrive healthy, hydrated, and ready for planting.

Quick Start Planting Guide
For aquariums: Attach the rhizome to driftwood or stone using aquarium-safe cyanoacrylate glue or cotton thread. Position in mid-ground or background areas with moderate water flow. Avoid burying the rhizome. Low to medium lighting. No CO2 required, but supplementation supports faster adaptation.

For terrariums and paludariums: Mount to hardscape or pot in sphagnum moss with good drainage. Maintain high humidity (70%+). Indirect or filtered light produces the best frond development. Mist regularly. Keep the root zone consistently moist without waterlogging.
Acclimation note: Transitioning between emersed and submerged growth forms takes 2 to 4 weeks. Older fronds adapted to one form will gradually be replaced by new growth suited to the new environment. Do not panic if initial fronds soften or yellow during transition. New submerged-adapted fronds will emerge from the rhizome.
Pro Tip from The Nature Gallery: Support your NSW Fern with a balanced liquid fertiliser. Our Wild Canvas range is formulated for Australian aquatic conditions and provides the micro and macro nutrients epiphytic ferns need for sustained, healthy growth.

Shipping Information
The Nature Gallery ships live plants across Australia via Express Post. All plants are carefully packed with moisture retention materials to ensure safe arrival. Live plant orders are dispatched Monday to Wednesday to avoid weekend delays in transit. For WA-based customers: local pickup and delivery options are available.