Helianthus pauciflorus subsp. subrhomboideus (Rydberg) O. Spring & E.E. Schilling

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

• Map view
• List view

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

Classification

Class	Equisetopsida
Subclass	Magnoliidae
Superorder	Asteranae
Order	Asterales
Family	Asteraceae
Subfamily	Asteroideae
Tribe	Heliantheae
Genus	Helianthus
Species	Helianthus pauciflorus
Subspecies	Helianthus pauciflorus subsp. subrhomboideus

Habit

Herb