Helianthus subrhomboideus is a synonym of:

Helianthus pauciflorus subsp. subrhomboideus

Helianthus pauciflorus subsp. subrhomboideus (Rydberg) O. Spring & E.E. Schilling is an accepted subspecies name sensu FNA Ed. Comm., 2006c.

Vernacular names

• hélianthe subrhomboïdal Darbyshire et al., 2000

• rhombic-leaved sunflower DAO
• beautiful sunflower Harms, 2006
• showy sunflower Harms, 2006
• stiff sunflower FNA Ed. Comm., 2019
• subrhombic sunflower Harms, 2006

Synonyms

• Helianthus laetiflorus var. subrhomboideus (Rydberg) Fernald FNA Ed. Comm., 2006c
• Helianthus pauciflorus var. subrhomboideus (Rydberg) Cronquist FNA Ed. Comm., 2006c
• Helianthus rigidus subsp. subrhomboideus (Rybderg) Heiser FNA Ed. Comm., 2006c
• Helianthus rigidus var. subrhomboideus (Rydberg) Cronquist FNA Ed. Comm., 2006c
• Helianthus subrhomboideus Rydberg FNA Ed. Comm., 2006c

Distribution

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• Native
• Introduced
• Ephemeral
• Excluded
• Extirpated
• Doubtful
• Absent

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Classification

Habit

Herb