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Dryopteris cristata Crested wood fern Evergreen fern (1 Page of 5) The Dryopteris cristata plant species is found in Eastern N. America - Newfoundland to Saskatchewan and south to N. Carolina and Montana. It is a member of the Dryopteridaceae family. Common gardeners may know the plant as Crested wood fern. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Dryopteris cristata Common Name: Crested wood fern Family: Dryopteridaceae Author: (L.)A.Gray. Known Hazards: Although we have found no reports for this species, a number of ferns contain carcinogens so some caution is advisable[200].
The fresh plant contains thiaminase, an enzyme that robs the body of its vitamin B complex. In small quantities this enzyme will do no harm to people eating an adequate diet that is rich in vitamin B, though large quantities can cause severe health problems. The enzyme is destroyed by heat or thorough drying, so cooking the plant will remove the thiaminase[172]. However, there have been reports for other species of ferns suggesting that even cooked fronds can have a long term harmful effect. Some caution is therefore advised. Mature Height: 0.5 Mature Width: 0.4 Habitat: Damp woods[222].
General Uses: None known
For further Dryopteris cristata gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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