Athyrium filix-femina ‘Setigerum Congestum’
Synonym: Athyrium filix-femina ‘Setigero-congestum’
Description:
Cited on the British Pteridological Society taxa list. Athyrium filix-femina 'Setigero-congestum' is described in ferns by Martin Rix (2021) as magnificent new cultivar.