Invasive Aliens? Himalayan Balsam (alas, now Indian Balsam)

摘要

Members might recall my by now probably boring and predictable views on the fuss created by the conservation guardians on non-existent threats, including one recent mailing by a well-known plant conservation charity with a lurid representation of this species and Japanese Knotweed coming to bite innocent bystanders! I have written before that whilst Himalayan Balsam was often cited as a threat, I had not seen any evidence, other than its visible dominance.