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| Kingdom Animalia |
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Andrena aliciae Robertson, 1891 -- valid |
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Andrena asteris Robertson, 1891 -- valid |
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Andrena claytoniae Robertson, 1891 -- invalid |
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Andrena cressonii Robertson, 1891 -- valid |
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Andrena erigeniae Robertson, 1891 -- valid |
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Andrena erythronii Robertson, 1891 -- valid |
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Andrena forbesii Robertson, 1891 -- valid |
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Andrena geranii Robertson, 1891 -- valid |
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Andrena helianthi Robertson, 1891 -- valid |
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Andrena illinoiensis Robertson, 1891 -- valid |
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Andrena mariae Robertson, 1891 -- valid |
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Andrena nuda Robertson, 1891 -- valid |
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Andrena perezi Robertson, 1891 -- invalid |
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Andrena polemonii Robertson, 1891 -- valid |
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Andrena pruni Robertson, 1891 -- valid |
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Andrena pulchella Robertson, 1891 -- invalid |
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Andrena rudbeckiae Robertson, 1891 -- valid |
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Andrena rugosa Robertson, 1891 -- valid |
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Andrena salicis Robertson, 1891 -- invalid |
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Andrena sayi Robertson, 1891 -- valid |
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Andrena solidaginis Robertson, 1891 -- invalid |
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Andrena violae Robertson, 1891 -- valid |
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Andrena ziziae Robertson, 1891 -- valid |
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Xenoglossa ipomoeae Robertson, 1891 -- invalid |
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