| Specimen ID | 1321777 |
| Group | Algae |
| Genus | Nitellopsis |
| Species | obtusa |
| Common Name | starry stonewort |
| State | WI |
| County | Door |
| Locality | Sturgeon Bay Ship Canal, Lake Michigan |
| Mapping Accuracy | Accurate |
| HUC8 Name | Door-Kewaunee |
| HUC8 Number | 04030102 |
| HUC10 Name | Lake Michigan |
| HUC10 Number | 0403010201 |
| HUC12 Name | Lake Michigan |
| HUC12 Number | 040301020111 |
| Map | |
| Collection Day | 22 |
| Collection Month | 8 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 28980 |
| Author: | Wisconsin Department of Natural Resources. |
| Date: | 2016 |
| Title: | Starry stonewort verified in Door County's Sturgeon Bay; first confirmed discovery in Lake Michigan |
| Publisher: | Wisconsin Department of Natural Resources |
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| Comments | It is the first confirmed discovery of the invasive macroalgae in Lake Michigan and the first occurrence in the state outside of six southeastern Wisconsin lakes. SSW was found at 19 locations along the channel, which is estimated to be approximately 3% of the littoral zone. |
| Record Type | Literature |
| Earliest Record | drainage |
| Verifier | Ken G. Karol, NYBG |
| Freshwater/Marine | Freshwater |
| Photo | |
