Japanese Beech Fern (Thelypteris decursive-pinnata)
This fern is still new to us, but has been around for a long time but not much used in landscapes. This fern is a vigorous spreader and can form little colonies with it's gracefully arching, dark green fronds. In moist locations with average shade it will perform very well and will stay evergreen in warmer climates. Zone 4-10.