New April 2004
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Contents
Broadleaf plant families common names
Grass and grasslike plant families
Grass and grasslike plant families common names
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Missouri Weed Seeds
Broadleaf plant families
Many different species of plants in Missouri are known as smartweeds, some of which are among the state’s most common weeds. Of about 30 genera of these plants worldwide, at least six are present in Missouri.
Buckwheat, wild
Polygonum convolvulus
Dock, broadleaf
Rumex obtusifolius
Dock, curly
Rumex crispus
Knotweed, prostrate
Polygonum aviculare
Ladysthumb
Polygonum persicaria
Smartweed, hedge
Polygonum scandens
Smartweed, Pennsylvania
Polygonum pensylvanicum
Sorrel, red
Rumex acetosella
For an idea of relative seed size, each photograph contains a millimeter ruler. The distance between increments is 1 mm.
IPM1023, new April 2004