Polystichum setiferum 'Ray Smith'
6th August 2017
A striking, upright form with very narrow fronds discovered by Ray Smith about 1986. It is the same thing as 'Smith's Cruciate'.
References:
Olsen, Sue - Encyclopedia of Garden Ferns, Timber Press 2007
Rickard, Martin - Gardening with Ferns, David & Charles 2005