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Appalachian Quillwort

Isoetes appalachiana

Appalachian Quillwort
Photo: Ed Lickey, CC BY 4.0

Appalachian quillwort is a small aquatic fern ally that grows in wetlands, pools and shallow water at low to middle elevations in the eastern US. It needs consistently wet or submerged conditions and is rarely grown in gardens.

Family
Isoetaceae (Isoet family)
Grows as
Aquatic
Light
Full sun, Part shade
Water
Keep roots submerged or constantly wet; it grows in shallow water in its natural wetland habitat.
Soil
Fine mineral sediment or sandy, acidic wet mud at the bottom of shallow water.
Temperature
Tolerates cool to temperate conditions typical of Appalachian wetlands; protect from freezing.
How easy
Hard
Native range
Pennsylvania to SE. U.S.A.
Climate
temperate

About

Isoetes appalachiana, commonly known as the Appalachian quillwort (not to be confused with its close relative Isoetes engelmannii, which shares the same common name), is an aquatic pteridophyte that is widely distributed in the eastern United States. It is most frequently encountered in wetlands at low to middle elevations of the Appalachian Mountains in Pennsylvania, though its range extends from there south to Florida and Alabama along the eastern slopes of the mountains. It is a tetraploid and is grouped in the Isoetes engelmannii complex.

Other Isoetes plants

Isoetes lacustris · Quillworts

Text excerpted from the Wikipedia article Isoetes appalachiana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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