I've shared an item with you: VoF Week : Himalayan knotweed [Polygonum affine] https://docs.google.com/document/d/1RM4hq7E5FCu4GcaJt86uALQO541sqBvni5T0by0Q3xU/edit
It's not an attachment -- it's stored online at Google Docs. To open this document, just click the link above.
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