Louisiana Quillwort
Isoetes louisianensis
Native to Louisiana. How scores work Is it native here?
Profile 41%
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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. 71 animals.
Widespread birds also seen here (30)
Found in many habitats here, so not listed above.
- American Goldfinch
- American Kestrel
- American Robin
- Black-crowned Night-heron
- Blue Grosbeak
- Blue-gray Gnatcatcher
- Canada Goose
- Cedar Waxwing
- Common Nighthawk
- Common Yellowthroat
- Cooper's Hawk
- Double-crested Cormorant
- Eastern Kingbird
- European Starling
- Great Egret
- Great Horned Owl
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Osprey
- Purple Finch
- Red-tailed Hawk
- Red-winged Blackbird
- Sharp-shinned Hawk
- Turkey Vulture
- White-throated Sparrow
- Yellow-breasted Chat
- Yellow-crowned Night-heron
- Yellow-rumped Warbler
Who uses this plant?
0CaterpillarsGenus host records with ranges including LA
0BeesSoutheastern regional records
0Specialist beesPollen specialists
1BirdsRecorded eating Isoetes in Louisiana
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Louisiana, most records first.
- Wild TurkeyOther parts. 2 diet records
Direct food only. 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
Birds that eat Isoetes 1
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- Wild TurkeyMeleagris gallopavo
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