Persicaria setacea NRCS-1.jpg
Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute.
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Persicaria setacea NRCS 1, Persicaria setacea
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Persicaria setacea NRCS 1, ''Persicaria setacea'' (Baldwin) Small (syn. ''Polygonum setaceum'' Baldw. - bog smartweed
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シロナガスズキ
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シロバナトウヒ
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