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limestone adderstongue (Ophioglossum engelmannii Prantl)

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↑Range - Expand

LegendColor
Native
Native or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

• Ophioglossum engelmannii (limestone adderstongue) | USDA PLANTS Database (About This Site)

• Limestone Adder's-Tongue | iNaturalist (About This Site)

• Ophioglossum engelmannii | Biota of North America Project (BONAP) (About This Site)

• Ophioglossum engelmannii | NatureServe Explorer (About This Site)

• Ophioglossum engelmannii | Flora of North America (About This Site)

• Ophioglossum engelmannii Prantl (Limestone Adder's-tongue, Engelmann's Adder's-tongue) | Digital Atlas of the Virginia Flora (About This Site)

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