Assertion: willow's root | /r/HasProperty | notorious
Facets:
value: for clogging french drains
type: PURPOSE
Source sentences:
text: Willow roots spread widely and are very aggressive in seeking out moisture; for this reason, they can become problematic when planted in residential areas, where the roots are notorious for clogging French drains, drainage systems, weeping tiles, septic systems, storm drains, and sewer systems, particularly older, tile, concrete, or ceramic pipes.