| Specimen ID | 1703138 |
| Group | Plants |
| Genus | Potamogeton |
| Species | crispus × pusillus |
| Common Name | hybrid curly-leaved pondweed |
| State | CA |
| County | Contra Costa |
| Locality | Marsh near Dutch Slough, west of Jersey Island Rd. |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Kellogg Creek-Big Break |
| HUC10 Number | 1804000308 |
| HUC12 Name | Dutch Slough-Big Break |
| HUC12 Number | 180400030803 |
| Map | |
| Collection Day | 22 |
| Collection Month | 11 |
| Collection Year | 2022 |
| Year Accuracy | Actual |
| Potential Pathway | hybridized |
| Reference 1 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
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| Reference 2 |
| Ref. Number: | 39368 |
| Author: | Jones, A.R., and R.A. Thum |
| Date: | 2021 |
| Title: | Molecular confirmation of hybridization with invasive curly-leaf pondweed (Potamogeton crispus) in the Sacramento–San Joaquin Delta, California |
| Journal: | Journal of Aquatic Plant Management |
| Volume: | 59 |
| Pages: | 1-6 |
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| Comments | Possible hybrid between Potamogeton crispus and P. pusillus. https://www.inaturalist.org/observations/142643031 |
| Record Type | Literature |
| Verifier | Ian Pfingsten |
