Helianthus rigidus ssp. subrhomboideus (Rydb.) Heiser
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Helianthus rigidus ssp. subrhomboideus
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Taxonomy

Helianthus rigidus ssp. subrhomboideus
divisionMagnoliophyta
classMagnoliopsida
ordoAsterales
familiaAsteraceae
genusHelianthus
speciesrigidus (Cass.) Desf.
subspeciessubrhomboideus (Rydb.) Heiser
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Subtaxa

No registered subtaxa.
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