Source: California Invasive Plant Council

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Glyceria declinata (waxy mannagrass)

Glyceria declinata
Glyceria declinata
Photo courtesy Joseph DiTomaso

Glyceria declinata (waxy mannagrass) is a perennial grass (family Poaceae). Waxy mannagrass is found in the Central Valley, from Shasta County south to Fresno County. It has invaded deep vernal pools, swales, ditches, and stock ponds. Some reports indicate that it is rapidly spreading in Central Valley vernal pools.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Glyceria declinata

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