Bladderwort agg. - Utricularia vulgaris agg.
According to the BSBI, Greater Bladderwort (Utricularia vulgaris) can only be distinguished from Bladderwort (Utricularia australis) reliably when flowers are present, so for records where this is not the case we have decided to treat the two as an aggregate. Examination of a specimen is likely to be needed for accurate identification. The plants are free floating with much branched green leaves that have bladders on.
Found in still or sluggish, acidic to basic, nutrient-poor waters over inorganic or peaty substrates.
Flowering is irregular and may not occur in some years in any given population.
Widespread but not particularly common in Britain.
Both of the aggregate species are uncommon in Leicestershire and Rutland and were not recorded in the 1979 Flora survey of Leicestershire.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015