How do I transplant a marginal wood fern from the woods to a pot?

Question

Huge numbers of these ferns nearby.

Answer 1

Select a pot a bit larger than the spread of the fronds, and use soil from the forest in the bottom and to fill in around the roots; you might add some sand or perlite to it first. This article has more information: https://www.gardeningknowhow.com/ornamental/foliage/ferns/transplanting-ferns.htm