| Specimen ID | 236852 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | San Bernardino |
| Locality | Colorado River, at Lake Havasu near Grass Bay across the river from Lake Havasu City, AZ |
| Mapping Accuracy | Accurate |
| HUC8 Name | Havasu-Mohave Lakes |
| HUC8 Number | 15030101 |
| HUC10 Name | Colorado River-Lake Havasu |
| HUC10 Number | 1503010107 |
| HUC12 Name | Chesapeake Wash-Colorado River |
| HUC12 Number | 150301010709 |
| Map | |
| Collection Day | 19 |
| Collection Month | 1 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 27845 |
| Author: | Wong, W.H., and S.L. Gerstenberger (eds.) |
| Date: | 2015 |
| Title: | Biology and Management of Invasive Quagga and Zebra Mussels in the Western United States. |
| Publisher: | CRC Press |
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| Comments | Only one specimen observed. Found in 30 feet of water on a sandstone wall. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
