| Specimen ID | 1657172 |
| Group | Plants |
| Genus | Najas |
| Species | marina |
| Common Name | holly-leaf waternymph |
| State | CA |
| County | Orange |
| Locality | Walden Park Community, Honeysuckle St. and Las Amigas Dr., Robinson Ranch/Rancho Santa Margarita |
| Mapping Accuracy | Accurate |
| HUC8 Name | Aliso-San Onofre |
| HUC8 Number | 18070301 |
| HUC10 Name | San Juan Creek |
| HUC10 Number | 1807030101 |
| HUC12 Name | Arroyo Trabuco |
| HUC12 Number | 180703010103 |
| Map | |
| Collection Day | 10 |
| Collection Month | 9 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on waterfowl |
| Status | established |
| Reference 1 |
| Ref. Number: | 35664 |
| Author: | University of California, Irvine |
| Date: | 2004 |
| Title: | UCI Arboretum and Herbarium (IRVC) |
| Publisher: | Consortium of California Herbaria |
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| Comments | Constructed two-acre freshwater urban pond
https://www.cch2.org/portal/collections/individual/index.php?occid=4064575 |
| Record Type | Specimen |
| Earliest Record | county |
| Disposal | Herbarium |
| Museum Cat Number | IRVC |
| Verifier | Roman Romanov, Russian Academy of Sciences |
| Freshwater/Marine | Freshwater |
