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30.3 MB (1.2 MB compressed)
2161 x 4903 pixels
18.3 x 41.4 cm ⏐ 7.2 x 16.3 in (300dpi)
LIZZIE HARPER / SCIENCE PHOTO LIBRARY LIZZIE HARPER / SCIENCE PHOTO LIBRARY
Illustration of hybrid knotweed Fallopia japonica x Fallopia sachalinensis flowering spike.
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