| Specimen ID | 1462259 |
| Group | Plants |
| Genus | Persicaria |
| Species | hydropiper |
| Common Name | marshpepper knotweed |
| State | WA |
| County | Skamania |
| Locality | Ice House Lake, near Columbia River, SR14, small pond on W side of rd., 0.1 mi. S of Bridge of the Gods jct. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Columbia-Hood |
| HUC8 Number | 17070105 |
| HUC10 Name | Eagle Creek-Columbia River |
| HUC10 Number | 1707010512 |
| HUC12 Name | Carson Creek-Columbia River |
| HUC12 Number | 170701051204 |
| Map | |
| Collection Day | 12 |
| Collection Month | 9 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 25610 |
| Author: | Calflora |
| Date: | 2021 |
| Title: | The Calflora Database: Information on California plants for education, research and conservation |
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| Comments | Calflora report |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Year Class | Flower |
