Assertion: cattail's seed | /r/CapableOf | remain viable
Facets:
value: for many years
type: TEMPORAL
value: in the soil
type: LOCATION
value: depending on soil conditions
type: OTHER
Source sentences:
text: Seeds can remain viable up to 70-100 years depending on soil conditions (Borland et al.
text: The seeds can remain viable in the soil for up to five years (a factor that further complicates the removal of an established garlic mustard population).
text: The plant is lost from sites devoid of bare ground but as the seed can remain viable in the soil for many years it can reappear following disturbance.