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Wolffia arrhiza (L.) Horkel ex Wimm. "Rootless Duckweed"

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Search results, herbarium specimens
Results 1 to 31 of 31
 taxonlocalitycollectorsdateinstitution
infoWolffia arrhizaEliza Catherine WhiteWilliam Hadden Beeby1872SLBI
infoWolffia arrhizaGB, VC5 South Somerset, BathpoolHarold Stuart ThompsonHarold Stuart Thompson6/6/1931BIRM
infoWolffia arrhizaGB, VC6 North Somerset, Ashcott, Peat MoorCecil Ivry Sandwith19/6/1915SLBI
infoWolffia arrhizaGB, VC6 North Somerset, BurnhamIda Mary RoperWatson Botanical Exchange Club
Harold Stuart Thompson
Ida Mary Roper
23/9/1915BIRM
+Wolffia arrhizaGB, VC6 North Somerset, KennJames Walter WhiteFrederick Ernest Weiss28/9/1923MANCH
infoWolffia arrhizaGB, VC13 West Sussex, North StokeCharles Edgar SalmonWatson Botanical Exchange Club
Charles Edgar Salmon
Harold Stuart Thompson
3/9/1901BIRM
infoWolffia arrhizaGB, VC13 West Sussex, North StokeCharles Edgar SalmonCroydon Natural History and Scientific Society
Watson Botanical Exchange Club
Charles Edgar Salmon
Henry Franklin Parsons
3/9/1901SLBI
+Wolffia arrhizaGB, VC17 SurreyHewett Cottrell WatsonCharles Bailey1868MANCH
infoWolffia arrhizaGB, VC17 Surrey, Apps Farm, WaltonHewett Cottrell WatsonAugustin Ley1868BIRM
infoWolffia arrhizaGB, VC17 Surrey, BarnesHenry GrovesWilliam Hadden Beeby10/1874SLBI
+Wolffia arrhizaGB, VC17 Surrey, Barnes CommonHenry GrovesCharles Bailey1874MANCH
infoWolffia arrhizaGB, VC17 Surrey, Barnes CommonHenry Groves
James Groves
George Stephen West
Henry & James Groves
10/1874BIRM
+Wolffia arrhizaGB, VC17 Surrey, Burgh HeathEdward Charles WallaceBotanical Society & Exchange Club of The British Isles10/9/1937MANCH
+Wolffia arrhizaGB, VC17 Surrey, Burgh HeathEdward Charles WallaceFred Taylor10/9/1937MANCH
infoWolffia arrhizaGB, VC17 Surrey, Burgh HeathEdward Charles WallaceJohn Richard Wallis13/9/1941SLBI
+Wolffia arrhizaGB, VC17 Surrey, Kingston on Thames, Home ParkAlbert Bruce JacksonBotanical Exchange Club of The British Isles
Charles Bailey
20/8/1911MANCH
infoWolffia arrhizaGB, VC17 Surrey, Kingston on Thames, Home ParkAlbert Bruce JacksonWilliam Bywater Grove17/6/1911BIRM
+Wolffia arrhizaGB, VC17 Surrey, Walton [ambiguous]Hewett Cottrell WatsonCharles Bailey1868MANCH
infoWolffia arrhizaGB, VC21 Middlesex, BrentfordGeorge NicholsonGeorge Stephen West7/1878BIRM
infoWolffia arrhizaGB, VC21 Middlesex, EalingWhitePhilip Brookes Mason9/1874BON
infoWolffia arrhizaGB, VC21 Middlesex, Hampton CourtDouglas Montague Heath17/9/1926BIRM
infoWolffia arrhizaGB, VC21 Middlesex, Hampton CourtAlbert Bruce Jackson
M.C. Jackson
Albert Bruce Jackson
William Robert Sherrin
17/6/1911SLBI
+Wolffia arrhizaGB, VC21 Middlesex, HanwellGeorge NicholsonBotanical Exchange Club7/1878MANCH
infoWolffia arrhizaGB, VC21 Middlesex, HanwellGeorge NicholsonBotanical Exchange Club of The British Isles
William Hadden Beeby
SLBI
+Wolffia arrhizaGB, VC21 Middlesex, HanwellGeorge Nicholson7/1878MANCH
+Wolffia arrhizaGB, VC21 Middlesex, HanwellGeorge Nicholson7/1878MANCH
+Wolffia arrhizaGB, VC21 Middlesex, HanwellGeorge Nicholson7/1878MANCH
+Wolffia arrhizaGB, VC21 Middlesex, HanwellGeorge Nicholson7/1878MANCH
infoWolffia arrhizaGB, VC21 Middlesex, Holm ParkAlbert Bruce Jackson17/6/1911SLBI
+Wolffia arrhizaGB, VC21 Middlesex, StainesJohn Thomas Irvine Boswell-SymeCharles Bailey26/6/1866MANCH
+Wolffia arrhizaGB, VC21 Middlesex, StainesJohn Thomas Irvine Boswell-SymeCharles Bailey7/1866MANCH

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