Assertion: fern | /r/HasProperty | large plant family
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Source sentences:
text: Ferns are a large plant family that includes indoor varieties, such as Boston fern (Nephrolepis exaltata), which grows outdoors in U. S. Department of Agriculture plant hardiness zones 10 through 12, and garden ferns like Japanese shield fern (Dryopteris erythrosora), which is hardy USDA zones 5 through 8.