| Specimen ID | 1441852 |
| Group | Plants |
| Genus | Persicaria |
| Species | hydropiper |
| Common Name | marshpepper knotweed |
| State | CA |
| County | San Joaquin |
| Locality | Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Middle River-San Joaquin River |
| HUC10 Number | 1804000309 |
| HUC12 Name | Mandeville Island-Connection Slough |
| HUC12 Number | 180400030904 |
| Map | |
| Collection Day | 22 |
| Collection Month | 6 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 25610 |
| Author: | Calflora |
| Date: | 2021 |
| Title: | The Calflora Database: Information on California plants for education, research and conservation |
|
|
| Reference 2 |
| Ref. Number: | 16045 |
| Author: | Alexander, J., S. Markos, J. Yost, R.L. Moe, E. Dean, and M. Nazaire. |
| Date: | 2016 |
| Title: | Consortium of California Herbaria (CCH) |
| Publisher: | Regents of the University of California |
|
|
| Comments | Calflora observation ID: cch:UCR123381 |
| Record Type | Literature |
| Disposal | UCR |
| Museum Cat Number | UCR123381 |
| Freshwater/Marine | Freshwater |
