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   Spartina densiflora (grass)
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    Details of this species in California
    Status: Alien
    Invasiveness: Invasive
    Occurrence: Established
    Source: USDA, NRCS 2008; Cal IPC, 2006
    Arrival Date:
    Introduction:
    Species Notes for this Location:
    Management Notes for this Location:
    The California Invasive Plant Inventory categorizes non-native invasive plants that threaten the state’s wildlands. Spartina densiflora is rated as 'High' based on an evaluation which considers ecological impacts, invasion potential and ecological distribution. (High: These species have severe ecological impacts on physical processes, plant and animal communities, and vegetation structure. Their reproductive biology and other attributes are conducive to moderate to high rates of dispersal and establishment. Most are widely distributed ecologically). S. densiflora scores a 'High' for impacts, 'Moderate' for invasiveness and 'Limited' for distribution.
    It has invaded the San Francisco and Humboldt Bay salt marshes.
    Please follow this link for California-county distributional map for Spartina densiflora
    Location Notes:
    Last Modified: 19/05/2008 9:44:59 a.m.
ISSG Landcare Research NBII IUCN University of Auckland The Global Invasive Species Database is managed by the Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission. It was developed as part of the global initiative on invasive species led by the Global Invasive Species Programme (GISP) and is supported through partnerships with the National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Conditions of use.