No Published Sources edit

I belive this arcticle should contain some more published and offline sources.--Pecopteris (talk) 16:46, 6 May 2008 (UTC)Reply

inaccessible reference edit

The citation ref name=Facts&Comp is not open access, only with login and pass and should be replaced with a citation that anyone can access. Plantsurfer 23:24, 22 December 2016 (UTC)Reply

Could split out butterbur extract into separate article edit

75% of current article is about medicinal use of the extract from some of the species. At some point we could split out the herbal extract and its uses from the plant/botany details ? - Rod57 (talk) 12:52, 15 November 2019 (UTC)Reply