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| | Kingdom | Plantae
– plantes, Planta, Vegetal, plants |
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| | Subkingdom | Viridiplantae
– green plants |
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| | Infrakingdom | Streptophyta
– land plants |
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| | Superdivision | Embryophyta
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| | Division | Tracheophyta
– vascular plants, tracheophytes |
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| | Subdivision | Spermatophytina
– spermatophytes, seed plants, phanérogames |
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| | Class | Magnoliopsida
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| | Superorder | Rosanae
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| | Order | Malpighiales
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| | Family | Salicaceae
– willows, saules |
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| | Genus | Populus L.
– cottonwood |
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| | Species | Populus deltoides W. Bartram ex Marshall – plains cottonwood, common cottonwood, eastern cottonwood |
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Direct Children: |
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| | Subspecies | Populus deltoides ssp. deltoides Bartram ex Marshall
– eastern cottonwood | |
| | Subspecies | Populus deltoides ssp. monilifera (Aiton) Eckenw.
– eastern cottonwood, plains cottonwood | |
| | Subspecies | Populus deltoides ssp. wislizeni (S. Watson) Eckenw.
– Rio Grande cottonwood | |
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