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guang zhou zhi wu jian suo biao - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1957)

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Handbok i Skandinaviens flora : innefattande sveriges och norges växter, till och med mossorna - Hartman, Carl Johan, 1790 -1849 (Z. Haeggström, 1864)

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Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1892)

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A handbook to the flora of Natal - Wood, John Medley, 1827 -1915 (Bennett & Davis, Printers, 1907)

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