Assertion: arboretum's collection | /r/HasProperty | masses of ferns
Facets:
Source sentences:
text: In addition to undisturbed forest, the botanic collections include oak, maple, willow, magnolia, lilac, cherry, fir, pine, a superb specimen of Dawn Redwood (Metasequoia) now more than 100 feet tall, masses of ferns, and handsome stands of field and forest wild flowers.