In my experience, these aren't particularly difficult to move around, but they ARE easy to loose as little ones, so I usually pot them up as babies to grow them on so I don't loose them.

Lady fern (Athyrium felix-femina) is generally tough and pretty easy to move, as are sword fern (Polystichum munitum). The other species you may have is wood or shield fern (Dryopteris expansa). It's slightly trickier, but still generally pretty easy going so long as you don't let it sit too long before planting it again, and don't let it dry out the next year. Lady and wood ferns are deciduous and twice dissected (twice as "ferny" as a friend puts it :P), where sword ferns are evergreen and once dissected, which is the easiest way to tell the seedlings apart between them. For the two deciduous ones, in the adult leaves, lady fern has "broad hips" where the leaflets come nearly down to the base of the petiol, or over 2/3rds of the way down, and are broadest in the middle. Wood fern by contrast usually has at least 1/3rd to often half the petiol bare at the base, and the branchlets closest to the base are usually the widest for a more or less triangular outline of the leaf as a whole. Lady ferns are more often seen in moist to wet forest, wood ferns can be found in drier areas, but usually associated with decaying wood (like on old stumps and nurse logs) or moist spots in the drier forest. Both are happier in shade I think, but lady fern in particular can grow in full sun in wetlands without too many problems. I've seen it growing with cat tails to a height of 5-6 feet in perpetual wetlands, and in dryish forest only a little more than 18 inches.

At any rate, this is a good time of year to move them, any time between when the rains start up again in fall, through to when spring has truly sprung, but the new fiddles aren't unfurling yet. I prefer fall transplanting to let the roots reestablish, but have salvaged enough of them in the spring to know it works fine too.

That link wouldn't work for me Barb *shrug*

If you can post a pic of the individual leaf blade, I can probably identify them, assuming they are natives. There aren't too many non-native ferns around, but locally there can be some. Anyway, if you can sacrifice a leaf of the two different forms, take a picture of them on a light even background and I will do my best to id them for you. You can either post them here or send them to me directly, either way works for me.