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The insect fauna of the genus Crataegus ...
By: Wellhouse, Walter Housley,
Publication info: Ithaca,1922
Contributed by: Library of Congress (archive.org)
Subjects: Crataegus Insects, Injurious and beneficial. [from old catal
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Revisio specierum generis Crataegi imprimis earum, quae in hortis Daniae coluntur. Oversigt over de i Danmark haardføre arter af hvidtjøorn-slaegten (Crataegus).
By: Lange, Joh.,
Publication info: Kjøbenhavn,Lehmann & Stages,1897.
Contributed by: Mertz Library, The New York Botanical Garden
Subjects: Classification Crataegus Denmark
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