A new field guide with galls by Roelof Jan Koops

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A small book, designed to de used in the field, with pictures, and a short text, covering 236 of the commonest galls. A sample page is given below. The price in the Netherlands is € 15 (elsewhere in Europa € 19.15). To be ordered from the author, r.j.koops@gmail.com .

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mod 4.vii.2019