Janelle BakerAlberta, Canada Introduction: the big flame Elder Virginia Stewart from Bigstone Cree Nation crouched down near her family’s derelict home to pull out a “spreading wood fern” or “broad spinulose shieldfern” (Dryopteris expansa) (see Turner et al. 1992) frond and fresh roots, going out of her way to show me the fern that can…