강, 이슬 (11 September 2014). "[한국의 식물] '원추리'…단 하루만 피는 꽃" [Flora of Korea: 'wonchuri', the flower that bloom for a single day]. news2day (in Korean). Retrieved 8 January 2017.
newshankuk.com
이, 슬 (5 March 2016). "히어리·할미꽃·물레나물·산수국이 우리에게 말하는 것들" [What Korean winter hazel(Corylopsis coreana Uyeki), Korean pasque-flower(Pulsatilla cernua (Thunb.) Bercht. ex J. Presl), great St. Johnswort(Hypericum ascyron L.), and mountain hydrangea(Hydrangea serrata f. acuminata (Siebold & Zucc.) E.H. Wilson) tells us]. News Hankuk (in Korean). Retrieved 8 January 2017.