Assertion: giant chinquapin | /r/HasProperty | an indicator of dry sites
Facets:
value: on willamette  national forests
type: LOCATION
value: on the siuslaw
type: LOCATION
Source sentences:
text: Giant chinquapin has been considered an indicator of dry sites in Douglas-fir-western hemlock forests of the Pacific Northwest , on the Siuslaw  and Willamette  National Forests, and for the tanoak series of the Siskiyou Region .