Here is a list of what you will need to participate:

• GPS unit (If you do not have access to a GPS unit, you can download and use GoogleEarth (http://earth.google.de/) to locate your sites and estimate latitude, longitude and altitude.)
• 2 meter sticks (or yard sticks)
• tape measure
• 20 large paper envelopes (C5 or C4/Lettersized ones will do)
• pencil (ink will smear if wet)
• digital camera
• hand counter (optional but helpful)

Download the pdf with the complete instructions here:

Instructions >

This PDF contains all information about the Global Garlic Mustard Field Survey, including a brief description of the idea behind it, detailed instruction on how to collect the data, and a sample data sheet that can be used for recording the data.

To read it you will need Adobe Acrobat, which you can download free here:

Adobe Acrobat >