Petasites hybridus · plačialapis šaukštis

P. officinalis, P. ovatus, P. vulgaris, Tussilago petasites EN · common butterbur, bog rhubarb, devil's hat, pestilence wort DE · Gewöhnliche Pestwurz LT · plačialapis šaukštis LV · bastarda tūsklape PL · lepiężnik różowy

It is a herbaceous perennial flowering plant that is native to Europe and northern Asia. Although used over centuries in traditional medicine to treat various disorders, there are no approved medical uses. Concerns about the potential toxic effects of pyrrolizidine alkaloids in butterbur limit its use in human and animal studies.