Rootless Duckweed (Wolffia arrhiza)
alongside the the larger Least Duckweed (Lemna minuta)
Rootless Duckweed (the smallest flowering plant in the world)
on the end of 7 year old Arfon Leyshon's finger
Greater Water-parsnip (Sium latifolium)
Forked Spleenwort (Asplenium septentrionale)
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