Cultivar nameCultivar groupSpeciesSynonymsDescriptionCultivation notesSource
AcrocladonAthyrium filix-feminaA very rare cultivar, only re-descovered in Lancashire in 2017. The original plant was found by Mr. Monkman in 1863, growing by a road-side on a moor – track between Byland and Rievaulx Abbey, in Yorkshire. One of a very few 'Ramose' Athyriums f.f. cultivars. The stipe and Rachis keep dividing.Generally as for species. Will grow in most soils but prefers acid conditions; as someone says in good 'woodland duff'. Also best in light shade but will tolerate some sun in the morning and evening, or more if in damp conditions. Protect from strong winds which would damage the fronds.Ian Unsworth
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