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Photographer: Merel R. Black
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Family Asteraceae
Tanacetum vulgare L.
common tansy, golden-buttons, tansy
Tanacetum: from the medieval Latin name tanazita, in turn derived from Greek athanasia, "immortality," of uncertain application to this taxa
vulgare: Latin for "common"
Hazardous 
Restricted Invasive - Eradicate!
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| Status: | Introduced - naturalized; ecologically invasive |
| Plant: | erect, perennial, 1 1/2' - 5' tall, aromatic forb |
| Flower: | head 1/4" wide with only yellow disk flowers; inflorescence with 20-200 heads in a dense cluster; blooms Aug.-Oct. |
| Leaf: | many, mostly hairless, 4"-8" long and half as wide, dotted, 4-10 parirs of feathery, pinnate divisions |
| Habitat: | fields, roadsides, disturbed sites |
| (Glossary) |
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