Overview

Distribution

Range Description

Ranunculus penicillatus is endemic to western Europe, occurring in Estonia, Denmark, Ireland, the United Kingdom, France, Belgium, Germany, the Czech Republic, Italy, Portugal and Spain. Reports of this species from the Balkans, European Russia and other eastern areas are likely to be the result of misidentification (possibly of hybrids) or application of a different taxonomic concept.

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Range Description

Ranunculus fluitans is endemic to western Europe, where it occurs from Ireland, the United Kingdom, southern Sweden, France, Germany, Poland, Switzerland, Austria, the Czech Republic, Slovenia, Slovakia and Hungary to Italy.

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Ranunculus penicillatus is almost entirely restricted to flowing water, occurring very occasionally in oxbows and small floodplain pools that have been cut off from the main body of a river, in which it appears to survive for only a short period. It typically occurs in small to medium-sized rivers and streams but will also occur in larger rivers where it may form very extensive stands. It appears to have a broad ecological tolerance occurring in calcareous and acidic waters (although the latter more rarely) and in oligotrophic to mesotrophic or even eutrophic waters.

Systems
  • Freshwater
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Habitat and Ecology

Habitat and Ecology
Ranunculus fluitans typically occurs in large, lowland mesotrophic to eutrophic rivers with stable, often gravel substrates however it may also occasionally be found in smaller water bodies such as streams or even ponds.

Systems
  • Freshwater
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Ranunculus fluitans

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Ranunculus fluitans

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Lansdown, R.V.

Reviewer/s
van de Weyer, K. & Bilz, M.

Contributor/s
Rhazi, L., Grillas, P., Rhazi, M. & Flanagan, D.

Justification
European regional assessment: Least Concern (LC)
EU 27 regional assessment: Least Concern (LC)

This species is classed as Least Concern as it is widespread with stable populations and does not face any major threats.
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IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Lansdown, R.V.

Reviewer/s
van de Weyer, K. & Bilz, M.

Contributor/s

Justification
European regional assessment: Least Concern (LC)
EU 27 regional assessment: Least Concern (LC)

This species is classed as Least Concern as it is widespread with stable populations and does not face any major threats.
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Population

Population
Ranunculus penicillatus is a very poorly understood taxon and consequently many reports of presence and abundance are unreliable. Superficially, published evidence would suggest that it is widespread and abundant throughout its range.

Population Trend
Stable
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Population

Population
Ranunculus fluitans is classed as Vulnerable in Sweden and Near Threatened in Switzerland but according to most authors it is widespread and abundant throughout much of its range.

Population Trend
Stable
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Threats

Major Threats

There are no known past, ongoing or future threats to this species.

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Major Threats

There are no known past, ongoing or future threats to this species.

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Management

Conservation Actions

Conservation Actions
This species is categorized Critically Endangered in the Czech Republic (Holub and Procházja 2000).
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Conservation Actions

Conservation Actions

Ranunculus fluitans is classed as Vulnerable D2 in Sweden and Near Threatened in Switzerland. There are no further conservation measures in place or needed.

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Wikipedia

Ranunculus fluitans

Ranunculus fluitans (River water crowfoot) is a species of buttercup. It is a perennial and bushy in favourable conditions when it can grow to 6m height[1]

A Ranunculus fluitans community or Ranunculion fluitantis defines a British plant community comprising stands of submerged vegetation dominated by clumps of Crowfoot[1]

References

  1. ^ a b J. S. Rodwell; British Plant Communities: Woodlands and Scrub Cambridge University Press, 1990 ISBN 0-521-62718-4
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