| Specimen ID | 1438425 |
| Group | Plants |
| Genus | Cyperus |
| Species | difformis |
| Common Name | smallflower umbrella sedge |
| State | CA |
| County | Orange |
| Locality | Santa Ana River, adjacent to Yorba Regional Park, Yorba Linda |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Ana |
| HUC8 Number | 18070203 |
| HUC10 Name | Lower Santa Ana River |
| HUC10 Number | 1807020310 |
| HUC12 Name | Walnut Canyon-Santa Ana River |
| HUC12 Number | 180702031002 |
| Map | |
| Collection Day | 23 |
| Collection Month | 8 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | planted ornamental |
| Status | established |
| 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 observation ID: po5515 |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
