"In the case of discussing the plants here, the common name "anacharis" used to be a valid genus name for some of these plants; and is a moniker still often used. The correct scientific name for most species of "anacharis" is Elodea ("Ell-oh-dee-ah"). Egeria is another recent (1961) erected genus for a similar plant (the one of most interest to aquarists) that produces 2 to 4 flowers (Elodea only 1), that have large and deeply white petals (versus small and colorless), and are pollinated by insects (elodeas is done via water).
Elodea and Egeria are members of the aquarium-important frog's-bit family (Hydrocharitaceae). They're joined there by such notable plant genera as Blyxa, Hydrilla, Lagarosiphon, Limnobium, Ottelia, Vallisneria."
This is referring to "egeria densa" formally elodea densa.
most of the cold water varieties are of the genus "elodea"
NJ Devils Fan probably has the commonly sold "egeria densa"
good heads up Fishiebusiness.
Elodea and Egeria are members of the aquarium-important frog's-bit family (Hydrocharitaceae). They're joined there by such notable plant genera as Blyxa, Hydrilla, Lagarosiphon, Limnobium, Ottelia, Vallisneria."
This is referring to "egeria densa" formally elodea densa.
most of the cold water varieties are of the genus "elodea"
NJ Devils Fan probably has the commonly sold "egeria densa"
good heads up Fishiebusiness.

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