{"id":"lemon-button-fern","common_names":["Lemon button fern","Duffii Fern","Duffy Fern","Lemon Button Fern"],"scientific_name":"Nephrolepsis cordifolia 'duffii'","urls":{"plant":"https://verdapaw.com/plants/lemon-button-fern","cats":"https://verdapaw.com/plants/lemon-button-fern/cats","dogs":null,"data":"https://verdapaw.com/plants/lemon-button-fern/data.json"},"toxicity":{"cat":{"severity":0,"grade":"S0 Safe","verdict_sentence":"Lemon button fern (Nephrolepsis cordifolia 'duffii', as listed by the ASPCA) is non-toxic to cats (S0 Safe): the ASPCA lists it as non-toxic to cats, dogs, and horses.","toxic_principles":[],"toxic_parts":[],"symptoms":[],"sources":[{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/duffii-fern","name":"ASPCA","accessed_at":"2026-10-15"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-10-15"},"dog":null},"license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","terms":"Free to reuse with attribution to Verdapaw and a link to the plant page."},"cite_as":"Verdapaw Plant × Pet Safety Index, verdapaw.com/plants/lemon-button-fern, reviewed 2026-10-15"}