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Polypodium (glycyrrhiza x scouleri)

4th October 2018 14th September 2022
A large growing hybrid between two species from the west coast of the USA. Can make large, tough, evergreen fronds. My young plant is still working on it.
It occurs very rarely in the natural habitat but is not deciduous in summer like P. glycyrrhiza.


  • Olsen, Sue - Encyclopedia of Garden Ferns, Timber Press 2007
  • Rickard, Martin - Gardening with Ferns, David & Charles 2005
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