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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 | Asterales
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| Family | Asteraceae
– sunflowers, tournesols |
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| Genus | Helenium L. – sneezeweed |
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Direct Children: |
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| Species |
Helenium amarum (Raf.) H. Rock
– yellowdicks, bitter sneezeweed | |
| Species |
Helenium apterum (S.F. Blake) Bierner
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| Species |
Helenium arizonicum S.F. Blake
– Arizona sneezeweed | |
| Species |
Helenium autumnale L.
– common sneezeweed, fall sneezeweed, mountain sneezeweed, bitterweed, false sunflower | |
| Species |
Helenium bigelovii A. Gray
– Bigelow's sneezeweed | |
| Species |
Helenium bolanderi A. Gray
– coastal sneezeweed | |
| Species |
Helenium brevifolium (Nutt.) Alph. Wood
– shortleaf sneezeweed | |
| Species |
Helenium campestre Small
– oldfield sneezeweed | |
| Species |
Helenium drummondii H. Rock
– fringed sneezeweed | |
| Species |
Helenium elegans DC.
– pretty sneezeweed | |
| Species |
Helenium flexuosum Raf.
– purplehead sneezeweed | |
| Species |
Helenium lanciniatum A. Gray
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| Species |
Helenium linifolium Rydb.
– slimleaf sneezeweed | |
| Species |
Helenium microcephalum DC.
– smallhead sneezeweed, littlehead tarweed | |
| Species |
Helenium pinnatifidum (Nutt.) Rydb.
– southeastern sneezeweed | |
| Species |
Helenium X polyphyllum Small (pro sp.)
– sneezeweed | |
| Species |
Helenium puberulum DC.
– rosilla | |
| Species |
Helenium quadridentatum Labill.
– longdisk sneezeweed | |
| Species |
Helenium thurberi A. Gray
– Thurber's sneezeweed | |
| Species |
Helenium vernale Walter
– savannah sneezeweed | |
| Species |
Helenium virginicum S.F. Blake
– Virginia sneezeweed | |
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