Isoetes louisianensis Thieret. Common name: Louisiana Quillwort. Habitat: Small streams, braided swamps, seepage areas. Distribution: S. AL, MS, and LA. Reported for GA by Duncan & Kartesz (1981); this species is extremely unlikely in GA and is treated as rejected for that state.
Origin/Endemic status: Endemic
Taxonomy Comments: A tetraploid species (2n=44).
Synonymy ⓘ: = FNA2, K4, NS, POWO. Basionym: Isoetes louisianensis Thieret 1973
Links to other floras: = Isoetes louisianensis - FNA2
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
Heliophily ⓘ: 8
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