Invasion

Invasion Description

1st Record: CA/Oxbow Marina/Sacramento-San Joaquin River Delta (7/26/2005 FWS Delta Surveys station 510OXBOW, CANOD database)

Geographic Extent

CA/Oxbow Marina/Sacramento-San Joaquin River Delta (7/26/2005 FWS Delta Surveys station 510OXBOW), CANOD database; "Railroad Cut" Slough in Meadows Park, near Locke/CA/Snodgrass Slough (9/2/2017, Upper Mokelumne River, Sacramento-San Joaquin River Delta (9/2/2017, USGS Nonindigenous Aquatic Species Program 2017); Miner Slough on E side of Prospect Island/CA/Sacramento-San Joaquin Delta (8/17/2015, USGS Nonindigenous Aquatic Species Program 2017)