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The North American Species of Clavaria with Illustrations of the Type Specimens
Vol 9, Page 1, Date 1922
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Monograph of the Isoetaceae
Vol 9, Page 79, Date 1922
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A Monographic Study of Thelypodium and Its Immediate Allies
Vol 9, Page 233, Date 1922
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A New Hybrid Nymphaea
Vol 9, Page 325, Date 1922
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A Bacterial Disease of Foxtail (Chaetochloa lutescens)
Vol 9, Page 333, Date 1922
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The Toxic Property of Sulphur
Vol 9, Page 403, Date 1922