| Specimen ID | 237936 |
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| Group | Plants |
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| Genus | Najas |
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| Species | minor |
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| Common Name | brittle naiad |
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| State | SD |
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| County | Union |
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| Locality | McCook Lake, NW of Sioux City |
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| HUC8 Name | Lewis and Clark Lake |
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| HUC8 Number | 10170101 |
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| Latitude | 42.5377726 |
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| Longitude | -96.507253 |
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| Lat-Long Source | GNIS |
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| Lat-Long Accuracy | accurate |
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| Map | |
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| Day | 15 |
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| Month | 10 (October) |
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| Year | 2006 |
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| Year Accuracy (Specimen) | Actual |
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| Contact | [not displayed for privacy reasons] |
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| Primary Pathway | hitch hiker fishing, boating |
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| Status | established |
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| Comments | Currently occupies 50-75 yards of the littoral zone with approx 40% coverage. Estimated to have been there since about 2003; chemical treatment planned for 2007. |
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| Record Type | Personal communication |
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| Earliest Record | state |
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| Verifier | Dr. Gary E. Larson - SD State University Herbarium |
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| Fresh/Marine Introduction | Freshwater |
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