| Specimen ID | 230444 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | PA |
| County | Berks |
| Locality | Reading, 0.25 mi NW of mouth of Tulpehocken Creek |
| Mapping Accuracy | Accurate |
| HUC8 Name | Schuylkill |
| HUC8 Number | 02040203 |
| HUC10 Name | Tulpehocken Creek |
| HUC10 Number | 0204020304 |
| HUC12 Name | Lower Tulpehocken Creek |
| HUC12 Number | 020402030409 |
| Map | |
| Collection Day | 28 |
| Collection Month | 9 |
| Collection Year | 1941 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10518 |
| Author: | Pennsylvania Flora Database. |
| Date: | 2011 |
| Title: | Pennsylvania Flora Project |
| Publisher: | Morris Arboretum at the University of Pennsylvania (MOAR) |
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| Comments | habitat: moist shores or shallow water along streams and canals. condition: herbaceous perennial in PA CollectorNumber: PH |
| Record Type | Literature |
| Museum Cat Number | herb/(PH) |
| Freshwater/Marine | Freshwater |
