| Arecaceae Schultz (Family) |
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| Arecaceae Schultz subfam. Calamoideae Griff. (Subfamily) |
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| Arecaceae Schultz subfam. Calamoideae Griff. tr. Calameae Drude (Tribe) |
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| Arecaceae Schultz subfam. Calamoideae Griff. tr. Calameae Drude subtr. Metroxylinae Blume (Subtribe) |
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| Metroxylon Rottb. (Genus) |
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| Metroxylon amazonicum (Species) |
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| Metroxylon amicarum (H.Wendl.) Becc. (Species) |
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| Metroxylon sagu Rottb. (Species) |
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| Metroxylon vitiense (H.Wendl.) Benth. & Hook.f. (Species) |
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| Metroxylon Rottb. sect. Pigafetta (Blume) Mart. (Section) |
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