| taxonID | wfo-1200116689 |
| scientificNameID | urn:lsid:ipni.org:names:77375076-1 |
| scientificName | Isoetes flaccida subsp. chapmanii |
| taxonRank | subspecies |
| parentNameUsageID | wfo-0001108953 |
| scientificNameAuthorship | (Engelm.) D.F.Brunt. & Kartesz |
| family | Isoetaceae |
| genus | Isoetes |
| specificEpithet | flaccida |
| infraspecificEpithet | chapmanii |
| verbatimTaxonRank | subspecies |
| nomenclaturalStatus | Valid |
| namePublishedIn | Consp. North Amer. Isoet. 1: 28 (2025) |
| taxonomicStatus | Accepted |
| originalNameUsageID | wfo-0001372519 |
| created | 2026-02-02 |
| modified | 2026-03-06 |
| source | Ferns and Allies TEN - the Pteridophyte Phylogeny Group (PPG). |
| majorGroup | Lycopodiophyta |
| DataSource | World Flora Online 2026-06-21 |