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Fairy lily, Rain lily (Zephyranthes)
The plant is toxic, but ingesting a small amount rarely causes symptoms.
False helleborine (Veratrum)
The plant is toxic, but ingesting a small amount rarely causes symptoms.
False lily of the valley (Maianthemum bifolium)
The plant is toxic, but ingesting a small amount rarely causes symptoms. If berries have been ingested, monitoring at home is sufficient. If more symptoms develop, such as severe vomiting, seek medical attention.
False morel (Gyromitra esculenta)
False morel is poisonous when eaten raw or without adequate preparation. False morel can cause liver failure. Usually symptoms begin within 4-12 hours after ingestion. The typical symptoms in the beginning are vomiting, diarrhea, dizziness and headache.
Ingestion of a small amount (less than 2 cubes of sugar) does not require any treatment. If the ingested amount is more than 2-3 cubes of sugar, administer activated charcoal and seek medical assistance. Save the mushroom for possible identification afterwards.
False spiraea (Sorbaria)
The plant is toxic, but ingesting a small amount rarely causes symptoms. No cases of poisoning have been reported in the literature.
Fawn lilies (Erythronium)
The plant is toxic, but ingesting a small amount rarely causes symptoms.
Fennel (Foeniculum vulgare)
The plant is non-toxic.
Fernleaf yarrow (Achillea filipendulina)
The plant is non-toxic.
Fertilisers
The content of fertilisers varies. Contact the Poison Information Centre to confirm toxicity.
Ficus, Fig tree (Ficus)
The plant causes local irritation. The plant fluid, or sap, can cause local irritation symptoms, such as stinging and burning at the exposure site. Does not absorb into the body. Rinse the exposed area with water.