Bidens cernua NRCS-004.jpg
Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI).
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Bidens cernua NRCS 004, Bidens cernua (flowers)
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Bidens cernua NRCS 004, ''Bidens cernua'' L. - nodding beggarticks
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ビデンス・ケルヌア NRCS 004, ビデンス・ケルヌア(花)
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ビデンス 子宮頸管 NRCS 004, ''ビデンス 子宮頸管' L. - 寝癖
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sticktight bur marigold bidens