Herbarium specimen: Wolffia arrhiza

Taxon:	Lemnaceae: Wolffia arrhiza (L.) Horkel ex Wimm. ("Rootless Duckweed")
Collected by:	Mr George Nicholson
Collection date:	7/1878
Locality:	Great Britain, VC21 Middlesex, Hanwell, Pond by canal, TQ18
exchanged:	Botanical Exchange Club
Institution:	Manchester Museum (MANCH)
Accession number:	MANCH.354001

Inferred details are marked.

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