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Iron weed



Bright magenta or purple flowers that become dark brown, "thistle-like" remnants of what was once the flowers. Flowers bloom at the top of tall stalks.


Found growing along South Eastern Pennsylvania Transportation Assoc's (SEPTA) train tracks in suburban Philadelphia, PA USA

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Mostly Microbe
Spotted by
Mostly Microbe

Philadelphia, Pennsylvania

Spotted on Sep 15, 2011
Submitted on Sep 15, 2011

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