to play with fire; to do something very dangerous; to take a great risk; (lit.) to step on a tiger's tail
gooseneck loosestrife (Lysimachia clethroides)
beach speedwell; Veronica Longifolia
Lysimachia fortunei (species of loosestrife)
common bistort (Persicaria bistorta)
Polygonum tenuicaule (species of knotweed)
Eusteralis yatabeana (species of plant in the mint family)
Asplenium incisum (species of spleenwort)
false dragonhead (Physostegia virginiana); obedient plant
alpine bistort (Bistorta vivipara)