Biology:Riccia fluitans

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Short description: Species of liverwort

Riccia fluitans

Least Concern (IUCN 3.1)[1]
(Europe regional assessment)
Scientific classification edit
Kingdom: Plantae
Division: Marchantiophyta
Class: Marchantiopsida
Order: Marchantiales
Family: Ricciaceae
Genus: Riccia
Species:
R. fluitans
Binomial name
Riccia fluitans
Varieties[2]
  • Riccia fluitans var. fluitans
  • Herzog Riccia fluitans var. reticulata
Synonyms[2]
  • Riccia fluitans f. terrestris (L.) A.Braun
  • Casares-Gil Riccardia dichotoma
  • (Gottsche, Lindenb. & Nees) Kavina Gray
  • Ricciella fluitans var. hydrophila Huebener
  • Riccia eudichotoma var. fluitans (L.) Bisch.
  • Lindenb. (Lindenb.) Nees
  • Gottsche, Lindenb. & Nees Grognot
  • (L.) Lindb. (Lindenb.) Trevis.
  • Underw. Roum.
  • Lamothe Sim
  • Ricciella fluitans var. fluitans Riccia fluitans f. gracilis
  • Ricciella fluitans var. terrestris Ricciella fluitans f. robusta
  • Ricciella fluitans f. fluitans Riccia fluitans var. aquatica
  • Riccia centrifuga Riccia fluitans f. lata
  • Riccia fluitans var. pallida Bouvet
  • Lamothe Papp
  • Riccia media
  • Riccia fluitans subsp. fluitans Riccia fluitans f. fluitans
  • Riccia fluitans f. aquatica Riccia fluitans var. minor
  • Riccia fluitans f. minor Riccia fluitans var. lata
  • Riccia fluitans var. nana T.Jensen
  • Arnell Underw.
  • Grognot ex Roum. (T.Jensen) C.E.O.Jensen
  • (L.) Fam. Klingm.
  • Riccia fluitans f. limicola
  • Kashyap Ricciella fluitans var. birmensis
  • Riccia canaliculata f. fluitans Ricciella fluitans f. terrestris
  • Fysonia tenera Riccia fluitans subf. lata
  • Ricciella fluitans Riccia canaliculata var. fluitans
  • Ricciella minor Riccia fluitans var. viridescens

Riccia fluitans, the floating crystalwort,[3] is an aquatic floating plant of the liverwort genus Riccia which is popular among aquarists as a retreat for young fry and is used in live-bearing tanks. It can be found floating in ponds, and often forms thick mats on and under the water surface.

It normally grows quickly at the surface. When kept about two to three inches below an ordinary fluorescent bulb or in a pond exposed to full sunlight, it will form dense, bright green mats. Any single branch or antler bud can reproduce into a large colony if the plant is kept in proper conditions. It normally floats, but can also be attached to underwater objects such as logs and rocks. It can be attached with plastic mesh.

Floating crystalwort is generally not compatible with duckweeds, as they cover the surface of the water quite rapidly, crowding the Riccia out. It is also easily overtaken by hair algae.

The species epithet fluitans is Latin for floating.[4]

References

  1. Sergio, C.; Porley, R.D. (2019). "Riccia fluitans (Europe assessment)". IUCN Red List of Threatened Species 2019. 
  2. 2.0 2.1 "Riccia fluitans L.". http://www.worldfloraonline.org/taxon/wfo-0001196749. 
  3. Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN 978-0-9561310-2-7. 
  4. Archibald William Smith A Gardener's Handbook of Plant Names: Their Meanings and Origins, p. 140, at Google Books

Wikidata ☰ Q133697 entry