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D-H L: Hydraena spp. Palüdbach 20x stack of 23 in 2PropOH
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D-H L: Habitat flickr
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D-H L: Brandnertal vom Kellenegg UWLF2924
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D-H L: Palüdbach mit cf. Hydraena
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D-H L: Material & Collection
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D-H L: Hydraena key
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D-H L: Hydraena collection 2-2
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D-H L: Hydraena collection
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D-H L: Dr. Hendrik Freitag
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D-H L: Sandaljevac-Creek-Valley
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D-H L: Durmitor Hydraena habitat at Mt. Sljeme
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D-H L: Hydraena ♂ genitalia