ID three plants from images

in Plants
I'd really like to ID these plant varieties from the leaves if anybody could have a shot.
Acer Palmatum 1 (a dissectum of some sort):

Acer Palmatum 2 (a non dissected leaf):

Fern:

Acer Palmatum 1 (a dissectum of some sort):

Acer Palmatum 2 (a non dissected leaf):

Fern:

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If grafted it may be a named cultivar of which there are dozens of possibilities.
2. Pic not very clear.
3. Possibly Dryopteris affinis Cristata The King.
https://www.google.com/search?q=Dryopteris+affinis+Cristata+The+King&client=firefox-b&source=lnms&tbm=isch&sa=X&ved=0ahUKEwja_J6rmbTeAhXk4IUKHXjWCKQQ_AUIDigB&biw=1920&bih=944
The middle green Acer is a bit of a longshot I release that, but if it helps it has quite light green bark and is fairly vigorous for an Acer.