Isoetes echinospora species Accepted

Isoetes malinverniana species Accepted

Isoetes taiwanensis species Accepted

Isoetes bolanderi species Accepted

Isoetes butleri species Accepted

Isoetes × eatonii species Accepted

Isoetes engelmannii species Accepted

Isoetes flaccida species Accepted

Isoetes foveolata species Accepted

Isoetes howellii species Accepted

Isoetes lacustris species Accepted

Isoetes lithophila species Accepted

Isoetes melanopoda species Accepted

Isoetes melanospora species Accepted

Isoetes nuttallii species Accepted

Isoetes orcuttii species Accepted

Isoetes riparia species Accepted

Isoetes tegetiformans species Accepted

Isoetes tuckermanii species Accepted

Isoetes virginica species Accepted

Isoetes occidentalis species Accepted

Isoetes maritima species Accepted

Isoetes asiatica species Accepted

Isoetes minima species Accepted

Isoetes valida species Accepted

Isoetes aequinoctialis species Accepted

Isoetes perrieriana species Accepted

Isoetes giessii species Accepted

Isoetes schweinfurthii species Accepted

Isoetes alstonii species Accepted

Isoetes stellenbossiensis species Accepted

Isoetes transvaalensis species Accepted

Isoetes welwitschii species Accepted

Isoetes wormaldii species Accepted

Isoetes truncata species Accepted

Isoetes saccharata species Accepted

Isoetes dodgei species Accepted

Isoetes dodgei species Accepted

Isoetes savatieri species Accepted

Isoetes biafrana species Accepted

Isoetes pringlei species Accepted

Isoetes cubana species Accepted

Isoetes montezumae species Accepted

Isoetes panamensis species Accepted

Isoetes andicola species Accepted

Isoetes georgiana species Accepted

Isoetes vermiculata species Accepted

Isoetes caroliniana species Accepted

Isoetes louisianensis species Accepted

Isoetes gigantea species Accepted

Isoetes bradei species Accepted

Isoetes baculata species Accepted

Isoetes boomii species Accepted

Isoetes prototypus species Accepted

Isoetes × hickeyi species Accepted

Isoetes delilei species Accepted

Isoetes pallida species Accepted

Isoetes storkii species Accepted

Isoetes lechleri species Accepted

Isoetes tenella species Accepted

Isoetes hopei species Accepted

Isoetes habbemensis species Accepted

Isoetes stevensii species Accepted

Isoetes neoguineensis species Accepted

Isoetes killipii species Accepted

Isoetes triangula species Accepted

Isoetes brittonii species Accepted

Isoetes boliviensis species Accepted

Isoetes mexicana species Accepted

Isoetes tuerckheimii species Accepted

Isoetes ecuadoriensis species Accepted

Isoetes eshbaughii species Accepted

Isoetes histrix species Accepted

Isoetes drummondii species Accepted

Isoetes hieronymi species Accepted

Isoetes alcalophila species Accepted

Isoetes herzogii species Accepted

Isoetes novogranadensis species Accepted

Isoetes ovata species Accepted

Isoetes heldreichii species Accepted

Isoetes coromandelina species Accepted

Isoetes nigritiana species Accepted

Isoetes longissima species Accepted

Isoetes andina species Accepted

Isoetes sinensis species Accepted

Isoetes jamaicensis species Accepted

Isoetes ramboi species Accepted

Isoetes jeffreyi species Accepted

Isoetes texana species Accepted

Isoetes alpina species Accepted

Isoetes labri-draconis species Accepted

Isoetes palmeri species Accepted

Isoetes japonica species Accepted

Isoetes × harveyi species Accepted

Isoetes hyemalis species Accepted

Isoetes heterospora species Accepted

Isoetes smithii species Accepted

Isoetes pedersenii species Accepted

Isoetes microvela species Accepted

Isoetes appalachiana species Accepted

Isoetes pseudotruncata species Accepted

Isoetes carltaylori species Accepted

Isoetes bruntonii species Accepted

Isoetes × michinokuana species Accepted

Isoetes pseudojaponica species Accepted

Isoetes azorica species Accepted

Isoetes gardneriana species Accepted

Isoetes philippinensis species Accepted

Isoetes mattaponica species Accepted

Isoetes junciformis species Accepted

Isoetes echtuckeri species Accepted

Isoetes karstenii species Accepted

Isoetes toximontana species Accepted

Isoetes yunguiensis species Accepted

Isoetes amazonica species Accepted

Isoetes martii species Accepted

Isoetes humilior species Accepted

Isoetes muelleri species Accepted

Isoetes kirkii species Accepted

Isoetes parvula species Accepted

Isoetes dispora species Accepted

Isoetes hewitsonii species Accepted

Isoetes saracochensis species Accepted

Isoetes gunnii species Accepted

Isoetes altonharvillii species Accepted

Isoetes tennesseensis species Accepted

Isoetes precocia species Accepted

Isoetes duriei species Accepted

Isoetes elatior species Accepted

Isoetes hypsophila species Accepted

Isoetes orientalis species Accepted

Isoetes udupiensis species Accepted

Isoetes inflata species Accepted

Isoetes australis species Accepted

Isoetes olympica species Accepted

Isoetes nigroreticulata species Accepted

Isoetes fuliginosa species Accepted

Isoetes boryana species Accepted

Isoetes ekmanii species Accepted

Isoetes bischlerae species Accepted

Isoetes boyacensis species Accepted

Isoetes luetzelburgii species Accepted

Isoetes mourabaptistae species Accepted

Isoetes naipiana species Accepted

Isoetes nana species Accepted

Isoetes organensis species Accepted

Isoetes quiririensis species Accepted

Isoetes sehnemii species Accepted

Isoetes serracarajensis species Accepted

Isoetes spannagelii species Accepted

Isoetes ulei species Accepted

Isoetes brasiliensis species Accepted

Isoetes cangae species Accepted

Isoetes fuscomarginata species Accepted

Isoetes maxima species Accepted

Isoetes jaegeri species Accepted

Isoetes tenuifolia species Accepted

Isoetes bilaspurensis species Accepted

Isoetes spinulospora species Accepted

Isoetes brevicula species Accepted

Isoetes caroli species Accepted

Isoetes mongerensis species Accepted

Isoetes escondidensis species Accepted

Isoetes hawaiiensis species Accepted

Isoetes cristata species Accepted

Isoetes attenuata species Accepted

Isoetes araucaniana species Accepted

Isoetes melanotheca species Accepted

Isoetes pitotii species Accepted

Isoetes laosiensis species Accepted

Isoetes libanotica species Accepted

Isoetes abyssinica species Accepted

Isoetes × paratunica species Accepted

Isoetes septentrionalis species Accepted

Isoetes tripus species Accepted

Isoetes fluitans species Accepted

Isoetes anatolica species Accepted

Isoetes × novae-angliae species Accepted

Isoetes jejuensis species Accepted

Isoetes hallasanensis species Accepted

Isoetes eludens species Accepted

Isoetes todaroana species Accepted

Isoetes creussensis species Accepted

Isoetes sabatina species Accepted

Isoetes aemulans species Accepted

Isoetes viridimontana species Accepted

Isoetes haussknechtii species Accepted

Isoetes tamaulipana species Accepted

Isoetes vanensis species Accepted

Isoetes mississippiensis species Accepted

Isoetes graniticola species Accepted

Isoetes sahyadrii species Accepted

Isoetes marensis species Accepted

Isoetes hemivelata species Accepted

Isoetes pusilla species Accepted

Isoetes herb-wagneri species Accepted

Isoetes chubutiana species Accepted

Isoetes capensis species Accepted

Isoetes gymnocarpa species Accepted

Isoetes dixitii species Accepted

Isoetes gopalkrishnae species Accepted

Isoetes caparaoensis species Accepted

Isoetes blondeaui species Accepted

Isoetes fernaldii species Accepted

Isoetes kareniae species Accepted

Isoetes afloramientorum species Accepted

Isoetes jermyi species Accepted

Isoetes baodongii species Accepted

Isoetes jarmaniae species Accepted

Isoetes pirinica species Accepted

Isoetes robusta species Accepted

Isoetes dubsii species Accepted

Isoetes laurentiana species Accepted

Isoetes santacruzensis species Accepted

Isoetes shangrilaensis species Accepted

Isoetes delalandei species Accepted

Isoetes tiguliana species Accepted

Isoetes brochonii species Accepted

Isoetes cipoensis species Accepted

Isoetes longifolia species Accepted

Isoetes kashyapii species Accepted

Isoetes hallei species Accepted

Isoetes pichisermollii species Accepted

Isoetes rwandensis species Accepted

Isoetes longpingii species Accepted

Isoetes xiangfei species Accepted

Isoetes anamariae species Accepted

Isoetes harleyi species Accepted

Isoetes angeloi species Accepted

Isoetes fengii species Accepted

Isoetes changleensis species Accepted

Isoetes yuhangensis species Accepted

Isoetes changxingensis species Accepted

Isoetes candelariensis species Accepted

Isoetes salishensis species Accepted

Isoetes coreana species Accepted

Isoetes phrygia species Accepted

Isoetes stephanseniae species Accepted

Isoetes weberi species Accepted