https://gobotany-dev.herokuapp.com/genus/rotala/
Genus: Rotala (toothcup): Go Botany
genusrotalagobotany
https://fsus.ncbg.unc.edu/main.php?pg=show-taxon.php&&parentid=63996&limit=1&offset=1&taxonid=3722
Ammannia coccinea (Scarlet Toothcup) - FSUS
ammanniascarlet
https://fieldguide.mt.gov/speciesDetail.aspx?elcode=PDLYT0B030
Toothcup - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
montanafieldguide
https://nas.er.usgs.gov/queries/SpecimenViewer.aspx?SpecimenID=232308
Indian toothcup (Rotala indica) - Collection record
Indian toothcup (Rotala indica) - Collection record
indianrotalaindicacollectionrecord
https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:%7BEEE54FA0-A8DD-4E04-9AF8-F92302D91E9E%7D
Ammannia coccinea (Scarlet Toothcup) - FSUS
ammanniascarlet