| Specimen ID | 1634558 |
| Group | Plants |
| Genus | Cyperus |
| Species | difformis |
| Common Name | smallflower umbrella sedge |
| State | PA |
| County | Lancaster |
| Locality | Greene Island, directly SW of Washington Borough; sandy alluvium in the Susquehanna River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Susquehanna |
| HUC8 Number | 02050306 |
| HUC10 Name | Susquehanna River |
| HUC10 Number | 0205030617 |
| HUC12 Name | Cabin Creek-Susquehanna River |
| HUC12 Number | 020503061704 |
| Map | |
| Collection Day | 7 |
| Collection Month | 8 |
| Collection Year | 1987 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 10677 |
| Author: | Carter, R. (curator). |
| Date: | 2015 |
| Title: | Valdosta State University Herbarium (VSC) |
| Publisher: | Valdosta State University |
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| Reference 2 |
| Ref. Number: | 28331 |
| Author: | SEINet Portal Network. |
| Date: | 2021 |
| Title: | Southwest Environmental Information Network |
| Publisher: | Symbiota Software Project, Arizona State University |
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| Comments | Coordinates georeferenced by NAS staff |
| Record Type | Specimen |
| Disposal | VSC |
| Museum Cat Number | 44703 |
| Verifier | Richard Carter |
| Freshwater/Marine | Freshwater |
