The name Eleocharis mitracarpa has appeared in UK publications. This derives from identifications by the late Professor G.A. Swan of specimens from Scotland and Wales as ‘putative E. mitracarpa’.
I have prepared a ‘discussion document’, available for download ⇓here (PDF, 2.1 MB; opens in a new window), which does not support acceptance of this species in UK.
In brief, specimens in question can be readily accommodated within Eleocharis palustris subspecies waltersii (subspecies vulgaris).
A summary of this paper was published in ⇓BSBI News No. 123 (April 2013, page 3).
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