The Mushroom Harvest achievement sends you to Zuldazar, Nazmir, and Vol’dun to kill 4 fungarian villains (the ones that look like mushrooms).
With the TomTom addon installed, type /macro to open the Macro Commands text field. Copy/Paste the following waypoints:/way Zuldazar:Zandalar 45.53 79.17
/way Nazmir 73.60 48.72
/way Nazmir 52.33 70.28
/way Vol’dun 61.05 18.36