What part of the fern is toxic?
What part of the fern is toxic? All portions of the fern – both green and in garvested hay – are poisonous to livestock. The toxin is ptaquiloside, a nor-sesquiterpene glycoside. The Ostrich fern fiddleheads are edible, and can be identified by the brown, papery scale-like covering on the uncoiled fern. Fiddleheads are approximately 1 […]
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