| Specimen ID | 1522795 |
| Group | Algae |
| Genus | Didymosphenia |
| Species | geminata |
| Common Name | didymo |
| State | SD |
| County | Pennington |
| Locality | Castle Creek (below Deerfield) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Rapid |
| HUC8 Number | 10120110 |
| HUC10 Name | Upper Rapid Creek |
| HUC10 Number | 1012011001 |
| HUC12 Name | Deerfield Lake-Castle Creek |
| HUC12 Number | 101201100106 |
| Map | |
| Collection Year | 2018 |
| Year Accuracy | Publication Year |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 31508 |
| Author: | South Dakota Game, Fish and Parks. |
| Date: | 2018 |
| Title: | Aquatic invasive species by waterbody |
| Publisher: | South Dakota Game, Fish and Parks |
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| Record Type | Literature |
| Verifier | South Dakota Game, Fish and Parks |
| Freshwater/Marine | Freshwater |
