Robuta

https://www.fws.gov/rivers/species/louisiana-quillwort-isoetes-louisianensis/map Louisiana Quillwort (Isoetes louisianensis) | Map | U.S. Fish & Wildlife Service | FWS.gov u s https://www.fws.gov/species/louisiana-quillwort-isoetes-louisianensis/map Louisiana Quillwort (Isoetes louisianensis) | Map | U.S. Fish & Wildlife Service | FWS.gov u s https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&taxonid=66 Isoetes louisianensis (Louisiana Quillwort) - FSUS isoetes louisiana