Assertion: rough comfrey | /r/HasProperty | symphytum asperum
Facets:
Source sentences:
text: if you have rough comfrey (Symphytum asperum) this may be extra important to do.
text: Rough Comfrey (Symphytum asperum)
text: This variety is a cross between Symphytum officinale and the rough comfrey, Symphytum asperum.