Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus schweinitzii
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus schweinitzii
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-003:
Helianthus schweinitzii
FAMILY
Asteraceae
COMMON NAME:
Schweinitz's Sunflower
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JK Marlow jkm060928_017
September York County SC
Utility right-of-way
Flower heads less than 2" across with yellow ray and disk flowers, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.
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JK Marlow jkm060928_125
September York County SC
Utility right-of-way
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Will Stuart wil_3932516321_f2c6caba99
September York County SC
Blackjacks Heritage Preserve
8-15 ray florets; lobes of disc florets yellow, anthers dark brown to black, per Flora of North America.
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JK Marlow jkm0411f_18
November York County SC
Blackjacks Heritage Preserve
Leaves scabrous above, tomentose beneath, short-petiolate to sessile, per Vascular Flora of the Carolinas.