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Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six inches to two feet long.

Dryopteris Marginalis

Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six…

Dryopteris parasitica is native to the tropical regions of both hemispheres. It often grows as a weed in greenhouses.

Dryopteris Parasitica

Dryopteris parasitica is native to the tropical regions of both hemispheres. It often grows as a weed…