The park protects representations of the Biogeoclimatic Zones interior cedar-hemlock and interior Douglas fir. Contributions represent two percent of the total of these representations in the overall protected area system.
June 2007: Northern sanicle, pygmy bitterroot.
May 2005: Lupin, wild strawberry, heart-leaved arnica, small-flowered blue-eyed Mary, upland larkspur, early blue violet, annual hawksbeard, Saskatoon, low pussytoes, alpine paint brush, blue clematis, few flowered shooting star, old man’s whiskers, round-leaved alumroot, meadow death camus, fairy slipper, false Solomon’s seal, kinnikinnick, fern-leaved desert-parsley, crane’s bill, shrubby penstemon, yarrow, common dandelion.
September 2004: Flowering thistle.