Delaware Wildflowers • Common names

Tick-seed Sunflower
Bidens polylepis
Asteraceae — Aster family
Invasive native
Tick-seed Sunflower
Lums Pond State Park
September 2001
Tick-seed Sunflower
Lums Pond State Park
November 2003

Guide to Bidens of Delaware

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Photos copyright David G. Smith

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