| Specimen ID | 1655469 |
| Group | Plants |
| Genus | Najas |
| Species | guadalupensis |
| Subspecies | guadalupensis |
| Common Name | Guadalupe waternymph |
| State | HI |
| County | Kauai |
| Locality | freshwater pool, National Tropical Botanical Garden in Lawai Valley, McBryde Garden, Biodiversity Trail, west side of Lawai Stream |
| Mapping Accuracy | Accurate |
| HUC8 Name | Kauai |
| HUC8 Number | 20070000 |
| HUC10 Name | Hanapepe Valley |
| HUC10 Number | 2007000003 |
| HUC12 Name | Wahiawa Stream-Lawai Stream |
| HUC12 Number | 200700000302 |
| Map | |
| Collection Day | 18 |
| Collection Month | 1 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity | released aquarium |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 16075 |
| Author: | Smithsonian Institution |
| Date: | 2019 |
| Title: | United States National Herbarium (US) |
| Publisher: | Department of Botany, Smithsonian Institution |
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| Comments | US 3668832 |
| Record Type | Specimen |
| Earliest Record | drainage |
| Disposal | Smithsonian National Museum of Natural History |
| Museum Cat Number | US 3725425 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |