Assertion: shield fern | /r/HasProperty | dryopteris erythrosora
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Source sentences:
text: Some ferns, such as shield ferns (Dryopteris spp.), including Japanese shield fern (Dryopteris erythrosora), which grows in USDA zones 5 through 8, also may produce small plantlets on their fronds as a way of asexual propagation.
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.