Posted: 18/06/2017 at 07:50
Himalayan balsam doesn't have white sap. However that pic does bear some resemblance to it.
Last edited: 17 June 2017 23:07:54
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good, I thought I would have remembered that. It was only those bits of red root that brought it to mind. I think this will be a tricky one due to the limp state of the specimens