Regenerative SPACE has developed an Alien Plant Spotter Survey Tool.
This is a citizen science campaign, enabling ordinary people to help us map and track invasive alien biomass.
It's free for anyone to use.
This video explains how to use the tool.

To download the tool, please go to:
https://regenerative-space.org/alien-invas...

The app is currently only for use in the Western Cape, South Africa.