• Liverwort
  • Medium
  • Medium–high light
  • CO₂: Not needed to recommended (sources differ)

Riccia fluitans

Crystalwort

Medium liverwort for medium and high light. It grows without added CO₂. It is used in the foreground, can form a carpet, grows attached to rock or wood, and floats at the surface. Growth is fast, and it is rated medium to keep.

Sources compared · 3 sources · Reviewed Oct 3, 2026

Buy from $5.99

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Riccia fluitans mat of branching green thalliPhoto: Piotr Kuczynski, CC BY-SA 3.0
Riccia fluitans mat of branching green thalli

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Riccia fluitans land form cushion held in a handPhoto: BerndH, CC BY-SA 3.0
Riccia fluitans land form cushion held in a hand

At a glance

Plant type
Liverwort Foreground, Carpet, On rock or wood, Floating
Light
Medium, High
CO₂
Not needed to recommended (sources differ)
Difficulty
Medium Growth rate: Medium to fast (sources differ)
Height
Not recorded
Water
61–81 °F (16–27 °C) pH 6–7.5
Leaf color
  • Green
Propagation
Division
Botanical name
Riccia fluitans

In the tank

Our sources don't record anything else about this plant in the tank.

Origin

Native to Worldwide

Sources

Where to buy

Prices rechecked daily
  • Aquatic ArtsPortion

    Small Portion Cup

    Check availability

    $5.99Checked Nov 14, 2026
  • Buce PlantTissue culture cup

    Pack size not listed

    Check availability

    $12.99Checked Nov 14, 2026

Prices checked Nov 14, 2026.

All photos

Questions

Does Riccia fluitans need strong light?

Riccia fluitans grows in medium or high light.

Does Riccia fluitans need CO₂?

No. Riccia fluitans grows without added CO₂.

Where does Riccia fluitans go in the tank?

Riccia fluitans is used in the foreground, carpet, on rock or wood, and floating.