Identification

Japanese knotweed (F. japonica var. japonica)

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Stem
S. Garske - GLIFWC
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Another stem
S. Garske - GLIFWC
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Branch and leaves
S. Garske - GLIFWC
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Flowering branch
S. Garske - GLIFWC
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Flower clusters
S. Garske - GLIFWC
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Leaf with flat base
S. Garske - GLIFWC
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Another leaf
S. Garske - GLIFWC
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Flowers
S. Garske - GLIFWC

Bohemian knotweed (F. bohemicum) (?)

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Leaves (note slightly
cordate leaf bases)
M. Falck - GLIFWC
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Flowering branch
S. Garske - GLIFWC
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Leaves and flowers
M. Falck - GLIFWC
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More leaves
and flowers
S. Garske - GLIFWC

Habitat & Invaded Sites

Japanese knotweed (F. japonica var. japonica)

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Japanese knotweed
patch in flower
S. Garske - GLIFWC
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Another view
S. Garske - GLIFWC
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Japanese knotweed
S. Garske - GLIFWC

Bohemian knotweed (F. bohemicum) (?)

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Planted knotweed
patch by garage
M. Falck - GLIFWC
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Another planted patch
M. Falck - GLIFWC
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