Haha!
I thought I’d fixed that glitch.
I just found a consistent way of doing it : if you click on a wood or leaf tile and click out of your browser, the game will freeze, and when clicking back on a fire or ice card, the little potential stem/leaf positions will stay.
Because in the code I treated them the same as the stumps, if you burn one it will Game Over! xD
Anyways, I’ll try to fix it when I have the time. Thanks for bringing it to my attention!
Edit : it has been fixed!