arborvitae (Selaginella pallescens) - A low growing, thick, sun loving, evergreen plant which very much resembles a fern although it is not one.  Zones 8 - 10.

asparagus (Asparagus densiflorus 'Sprengeri') - Not truly a fern but an actual asparagus with emerald green cladophylls in branched, arching sprays up to 3 feet long.  Great for containers in full sun.  Zones 8 - 10.

autumn (Dryopteris erythrosora) - A pretty, evergreen, terrestrial fern to 2 feet having fronds with coppery new growth that turn glossy, deep green as they age.  Zones 5 - 8.

foxtail (Asparagus densiflorus 'Myersii') - Not really a fern but commonly sold as one, this beautiful, evergreen perennial has emerald green cladophylls arranged upon green stems in an amazing imitation of the hairs on a fox's tail.  Grows well in full sun to partial shade.  Zones 8 - 10.

holly (Cyrtomium falcatum) - A terrestial fern to 2 feet having beautiful, glossy, dark green, holly looking, leathery pinnules emerging from a vase like crown.  Zones 6 - 9.

japanese painted (Athyrium nipponicum 'Pictum') - A deciduous, spreading fern to 20 inches having fronds of burgundy, gray and dark green.  This is one of the most popular ferns in America today.  Grows best in shade and cooler weather.  Zones 4 - 9.

leather leaf (Rumorha adiantiformis) - An evergreen, terrestrial fern to 18 inches with finely cut, dark green, leathery textured fronds.  Commonly used as cut foliage in flower arrangements.  Zones 8 - 10.

macho (Nephrolepis falcata) - A tropical sword fern up to 4 feet tall and 6 feet across that makes a fabulous plant in the garden or a large container.  Its massive fronds get up to 8 inches wide at the base.  Zones 9 and 10.

sword (Nephrolepis cordifolia) - A very attractive, terrestrial fern that produces dense crowns of dark green, upright fronds up to 2 feet long.  Zones 8 - 10.