mount rainier national park, washington state, trillium flower, trillium ovatum, pacific northwest, usa

albidum america american beautiful birthroot birthwort bloom blossom clear environment flora flower flowering forest forests found green herald leaves liliales lillies may melanthiaceae mount national native natural nature north northwest pacific parideae park parviflorum perennial petals plants pollen rainier spring state states stems temperate three trilliaceae trillium unique united usa vegetation wakerobin washington white yellow ovatum