Synonyms: Bucholzia philoxeroides Mart., Telanthera philoxeroides (Mart.)
Common names: alligatorweed
Alternanthera philoxeroides (alligatorweed) is a noxious herbaceous aquatic perennial (family Amaranthaceae), that forms dense floating mats. This weed grows in the San Joaquin Valley (Tulare and Kings counties) and in Los Angeles County. It invades lakes, streams, canals, ponds and irrigation ditches. It was previously used in the aquarium trade.Rating: High
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- USDA PLANTS database -
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- Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
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- Encycloweedia - Plants rated as noxious weeds by the California Department of Food and Agriculture.
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- Chornesky, E. A. and C. M. Palmer (1995). Use of biologically based methods to control pest plants:Issues related to federal research, regulation, and implementation. Proceedings California Exotic Pest Plant Council Symposium '95. Pacific Grove, CA.
- Leavitt, J. R. and C. Pirosko (2002). A brief overview of the California Dept. of Food and Agriculture's A-rated noxious weed education and eradication program. California Exotic Pest Plant Council Symposium 2002. Sacramento, CA.
- O'Connell, R. A. (1997). Hydrilla: A case study: The state of California's noxious weed eradication programs. California Exotic Pest Plant Council Symposium '97. Concord, CA.
- O'Connell, R. A. (1999). The state of California's noxious weed eradication programs. California Exotic Pest Plant Council. Sacramento, CA.
Cal-IPC News Articles
- Pitcairn, M. (2000). All weeds that have approved biological control agents, accidental introductions and others. CalEPPC News. 8.