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Aquatic Invasive Species - Plants
Report aquatic invasive species
DNR is seeking sighting information for invasive species in Indiana. If you believe you have spotted an invasive species, report it and, if possible, get pictures to assist in expert identification.
- Report species to:
- EDDMapS website
- The GLEDN app: Apple iOS | Android
- Discuss aquatic invasive species:
- Phone: 317-234-3883
- E-mail: ais@dnr.IN.gov
Aquatic Plant Rule
The Aquatic Plant Rule (312 IAC 18-3-23) designates 30 species of plants as invasive in Indiana. This rule makes it illegal to sell, offer for sale, gift, barter, exchange, distribute, or transport these plants in the State of Indiana.
| Common Name | Scientific Name | Information |
|---|---|---|
| anchored water hyacinth** | Eichhornia azurea | |
| arrowhead** | Sagittaria sagittifolia | |
| Asian marshweed or ambulia** | Limnophila sessiliflora | Species Profile |
| Brazilian elodea, Brazilian waterweed, anacharis, or egeria | Egeria densa | Species Profile, Watch Card, ID Sheet |
| brittle naiad or brittle water nymph | Najas minor | Species Profile |
| Caulerpa or Mediterranean killer algae** | Caulerpa taxifolia | |
| Chinese water spinach or swamp morning-glory** | Ipomoea aquatica | Species Profile |
| curlyleaf pondweed | Potamogeton crispus | Species Profile |
| duck lettuce** | Ottelia alismoides | Species Profile |
| Eurasian watermilfoil | Myriophyllum spicatum | Species Profile |
| European frogbit or common frogbit | Hydrocharis morsus-ranae | Species Profile |
| exotic bur-reed** | Sparganium erectum | |
| flowering rush | Butomus umbellatus | Species profile |
| giant salvinia** | Salvinia auriculata | Species Profile |
| giant salvinia** | Salvinia biloba | |
| giant salvinia** | Salvinia herzogii | |
| giant salvinia** | Salvinia molesta | Species Profile |
| heartshape or false pickerelweed** | Monochoria vaginalis | Species Profile |
| hydrilla or water thyme** | Hydrilla verticillata | Species Profile, Watch Card, ID Sheet |
| miramar weed, indian swampweed, or hygro** | Hygrophilia polysperma | Species Profile |
| monochoria, arrowleaf, or false pickerelweed** | Monochoria hastata | |
| mosquito fern** | Azolla pinnata | Species profile |
| narrow-leaf cattail | Typha angustifolia | Species Profile |
| oxygen weed or African elodea** | Lagarosiphon major | |
| parrot feather or parrot feather watermilfoil | Myriophyllum aquaticum | Species Profile |
| starry stonewort | Nitellopsis obtusa | Species Profile |
| water chestnut | Trapa natans | Species Profile |
| water soldier | Stratiotes aloides | Species Profile |
| yellow flag iris or tall yellow iris | Iris pseudacorus | Species Profile |
| yellow floating heart | Nymphoides peltata | Species Profile |
** Indicates species that are federal noxious species (https://plants.usda.gov/java/noxious)
Plants Restricted Under Other Rules
| Common Name | Scientific Name | More Information |
|---|---|---|
| common/giant reed | Phragmites australis | 312 IAC 18-3-25 (Terrestrial Plant Rule), Species Profile |
| purple loosestrife | Lythrum salicaria | 312 IAC 18-3-13, Species Profile, purple loosestrife |
| reed canarygrass | Phalaris arundinacea | 312 IAC 18-3-25 (Terrestrial Plant Rule), Species Profile |
More information on these and other Indiana-regulated invasive plant species can be found on the Indiana Invasive Species Council (IISC) Invasive Plant List .