— Short, snippet-friendly answers to the most-asked questions about Adder's Tongue (Ophioglossum vulgatum). For the full profile with citations, open the main page.
Adder's Tongue (Ophioglossum vulgatum) is a distinctive fern found across Europe, Asia, and North America, including regions such as Albania, Austria, Alabama, Arkansas, and parts of the United States. Adder's Tongue (Latin: Ophioglossum vulgatum, family Ophioglossaceae) is an edible plant catalogued in PlantSage.
Adder's Tongue is generally regarded as safe for culinary use when correctly identified and prepared. Avoid wild specimens from polluted ground and confirm species before harvest.
Adder's Tongue is a member of the Ophioglossaceae family native to ALA, ALB, ALG, ALT, AGS, and ARI. Adder's Tongue prefers moist conditions and thrives in light (sandy), medium, or heavy (clay) soils with a pH of 7 to 7.5.
Adder's Tongue grows best in USDA zone 4-8, 7/10 light, and moist water. Detailed sowing, propagation, and care notes are on the full profile.
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