Zródło

Literatura:
Fitoterapia i leki roślinne, Eliza Lamer-Zarawska, Barbara Kowal-Gierczak, Jan Niedworok, PZWL, Warszawa 2012, wyd.1, s. 336–339,
Plantago ovata, Alternative Medicine Review
,
Volume 7, Number 2, 2002,
Assessment report on Plantago ovata Forssk, seminis tegumentum, European Medicines Agency, 2013.