Heine (Hydrocharitaceae) – South American spongeplant (2013) (PDF) See flyer from the California Department of Food and Agriculture: A New Invader–South American spongeplant: worse than water hyacinth? Correspondence 2 indicates that material on which occurrences in California of Limnobium laevigatum (Humb. ex Willd.) Algae Grower . Amazon frogbit (Limnobium laeviatum) is an easy to care for, floating aquarium plant. Limnobium laevigatum (Humb. It is also good in traditional aquariums, because the fine, long and decorative roots provide protection to gouramies and other surface fish that like the roots of floating plants. ex Willd.) Impact Score – A; ... Because California has a Mediterranean climate, it does quite well in the state and covers over 40,000 hectares! Have some growing in my lowtech aquascape. Family: Hydrocharitaceae . 1-5 cm tall and leaves from 5-15 cm wide. ex Steud. ex Steud. Common Name: South American Spongeplant. Limnobium laevigatum is considered as invasive in waterways in California by California Food and Agriculture and the California Invasive Plant Council Rexthecrayfish. is not indicated for California in Flora North America]. Limnobium laevigatum from South America is a decorative floating plant that is particularly suitable for open aquariums. Limnobium Laevigatum. Range: Only found in California to date. Water hyacinth (Eichhornia crassipes), South American spongeplant (Limnobium laevigatum) and Uruguay water primrose (Ludwigia hexapetala) are floating, aquatic invasive plants that are not native to California.They grow in wetlands, marshes, shallow water bodies, slow moving waterways, lakes, reservoirs, and rivers. really love this plants and the shrimp like it too. Source. Heine (= L. spongia (Bosc) Rich. Weed Science (wsweedscience.org) or the California Invasive Species Council (cal-ipc.org). & Bonpl. ex Willd.) Correspondence 3 & Bonpl. ex Steud. & Bonpl. i see my cherries chilling on the roots and under the leaves. [although Limnobium spongia (Bosc) Rich. Invasive Species List and Scorecards for California. Water hyacinth, South American spongeplant, and Uruguay water primrose can … Plant Distribution. About Us; Contact Us; Navigation USDA-APHIS Weed Risk Assessment for Limnobium laevigatum (Humb. Limnobium laevigatum, a monocot, is a perennial herb that is not native to California. It is now found throughout much of California, and continues to spread via releases and escapes from the aquarium trade. Elizabeth Brusati, Science Program Manager Cal-IPC 1442-A Walnut St. #462, Berkeley, CA 94709 510-843-3902 edbrusati@cal-ipc.org Habitat Limnobium Laevigatum Type:Floating PlantOrigin:South and Central AmericaGrowth Rate:Medium to FastLight Demand:Medium to HighCO2 Demand:LowCare:Easy Limnobium laevigatum … Heine have been based belongs instead to Limnobium spongia (Bosc) Rich. 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