Herbarium specimen: Wolffia arrhiza

Taxon:	Lemnaceae: Wolffia arrhiza (L.) Horkel ex Wimm. ("Rootless Duckweed") named by George Nicholson 7/1878
Collected by:	Mr George Nicholson
Collection date:	7/1878
Locality:	Great Britain, VC21 Middlesex, Hanwell, Pond by canal, TQ18
Institution:	Manchester Museum (MANCH)
Accession number:	MANCH.305813

Inferred details are marked.

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