As a fellow bushwalker and someone running a community-led invasive plant control program, it has occurred to me that walkers into the remote areas of D'Aguilar NP may be (both) vectors of the spread of invasive plants into these areas but also able to provide valuable information on their locations in places where other mortals rarely tread.  With this in mind, I'd like to briefly canvas the already-familiar ground of gear-hygiene and, more interesti