Assertion: comfrey's compound | /r/AtLocation | such pasture weeds
Facets:
value: as paterson’s curse
type: MANNER
value: as ragwort
type: OTHER
value: as heliotrope
type: OTHER
Source sentences:
text: One of the news items reads: ‘Dr. Culvenor’s research group at Parkville has been studying the compounds called pyrrolizidine alkaloids, which occur in such pasture weeds as Ragwort, Paterson’s Curse and Heliotrope, the last two weeds being from the same family as comfrey.