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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 | Asteranae
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| Order | Solanales
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| Family | Solanaceae
– nightshades, solanacées |
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| Genus | Nicotiana L.
– tobacco, tobacco |
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| Species | Nicotiana quadrivalvis Pursh – Indian tobacco |
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Direct Children: |
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| Variety | Nicotiana quadrivalvis var. bigelovii (Torr.) DeWolf
– Bigelow's tobacco | |
| Variety | Nicotiana quadrivalvis var. quadrivalvis Pursh
– Indian tobacco | |
| Variety | Nicotiana quadrivalvis var. wallacei (A. Gray) Mansf.
– Wallace's tobacco | |
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