Polypodium vulgare 'Cornubiense' alternative?
I've got a container plan that I'd like to try and I need 3 plants of the above fern. I can't find any except at UK nurseries and coincidentally, the book is a UK book where the plan is from.
Can anyone suggest an alternative to this fern that's still the same size and general form?
P.S. It's a pot of Fritillaries and Ferns.