| Specimen ID | 1418402 |
| Group | Plants |
| Genus | Cyperus |
| Species | difformis |
| Common Name | smallflower umbrella sedge |
| State | CA |
| County | Orange |
| Locality | Irvine Lake and Santiago Creek Wash |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Ana |
| HUC8 Number | 18070203 |
| HUC10 Name | Santiago Creek |
| HUC10 Number | 1807020309 |
| HUC12 Name | Lower Santiago Creek |
| HUC12 Number | 180702030902 |
| Map | |
| Collection Day | 3 |
| Collection Month | 8 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| 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 | Occasional to common through Santiago Creek wash and along upper margins of Irvine Lake. With Cyperus odoratus (abundant), C. eragrostis. Calflora report |
| Record Type | Literature |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
| Year Class | Flower |
| Photo | |
