Louisiana Quillwort
Isoetes louisianensis
Found in small streams, braided swamps, seepage areas. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Alabama. How scores work Is it native here?
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Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 3 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 107 animals.
- Northern ParulaParula americana
- Northern PintailAnas acuta
- Peregrine FalconFalco peregrinus
- Red-headed WoodpeckerMelanerpes erythrocephalus
- RedheadAythya americana
- Spotted SandpiperActitis macularius
- Tree SwallowTachycineta bicolor
- White-eyed VireoVireo griseus
- Wild TurkeyMeleagris gallopavo
- Wood StorkMycteria americana
- Wood ThrushHylocichla mustelina
Who uses this plant?
1BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Isoetes
- Meleagris gallopavoWild Turkey
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Isoetaceae
Conservation status
| Alabama rank | S1 |
|---|---|
| Global rank | Not available |
| AL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Alabama Plant Atlas
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications












