Reeds! So the pike has a place to stand on your map!
Dump the contents into the Media FOLDER of your EDITOR!
into the "brushes" file? which is located at D:\steam\steamapps\common\Spintires Combine Tools\Media\prebuild\common
Add these lines:
Into the grass block as shown in the screenshot.
Then in the editor, in brushes, find GrassReed (grass). That is the pike reed. Paint it thickly to red in the editor.
Source:
Spintires Maps 19rus