Louisiana Quillwort
Isoetes louisianensis
Native to Louisiana. How scores work Is it native here?
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Federally endangered. Excluded from routine garden suggestions. Consult conservation guidance before obtaining or planting this species. 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 2 Louisiana parishes.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 101 animals.
- Least FlycatcherEmpidonax minimus
- Least SandpiperCalidris minutilla
- Lesser ScaupAythya affinis
- Little Blue HeronEgretta caerulea
- Long-billed DowitcherLimnodromus scolopaceus
- Magnificent FrigatebirdFregata magnificens
- MallardAnas platyrhynchos
- Marsh WrenCistothorus palustris
- Mississippi KiteIctinia mississippiensis
- Mottled DuckAnas fulvigula
- Mourning DoveZenaida macroura
- Neotropic CormorantPhalacrocorax brasilianus
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Northern PintailAnas acuta
- Northern ShovelerAnas clypeata
- Northern WaterthrushSeiurus noveboracensis
- OspreyPandion haliaetus
- Painted BuntingPasserina ciris
- Peregrine FalconFalco peregrinus
- Pileated WoodpeckerDryocopus pileatus
- Prothonotary WarblerProtonotaria citrea
- Purple FinchCarpodacus purpureus
Who uses this plant?
0CaterpillarsGenus host records with ranges including LA
0BeesSoutheastern regional records
0Specialist beesPollen specialists
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
| Louisiana rank | S2 |
|---|---|
| Global rank | Not available |
| LA status | Not verified |
| Federal status | Endangered (US Fish and Wildlife Service) |
Conservation source Federal status source: US Fish and Wildlife Service
Will it fit your yard?
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Sources
- NatureServe Explorer
- Weakley, Flora of the Southeastern United States (2025)
- Louisiana occurrence source
- 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