If left untamed, this plant can take over large areas and is notoriously difficult to remove. One large patch in far meadow and more in woods behind wall.
Spotters' score: 3
ref: p.42/2
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| Tall, vigorous and often forming dense thickets; stems somewhat zigzag. Leaves broad triangular. Flowers whitish, in branched clusters; August-October. If left untamed, this plant can take over large areas and is notoriously difficult to remove. One large patch in far meadow and more in woods behind wall. Spotters' score: 3 ref: p.42/2
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