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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 | Lilianae
– monocots, monocotyledons, monocotylédones |
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| Order | Poales
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| Family | Poaceae
– grasses, graminées |
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| Genus | Tridens Roem. & Schult.
– tridens, tridens spp. |
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| Species | Tridens muticus (Torr.) Nash – slim tridens |
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Direct Children: |
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| Form | Tridens muticus f. effusus I.M. Johnst.
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| Form | Tridens muticus f. muticus (Torr.) Nash
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| Variety | Tridens muticus var. elongatus (Buckley) Shinners
– slim tridens, rough tridens | |
| Variety | Tridens muticus var. muticus (Torr.) Nash
– slim tridens, rough tridens | |
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