| Specimen ID | 1241497 |
| Group | Plants |
| Genus | Eichhornia |
| Species | crassipes |
| Common Name | common water-hyacinth |
| State | MA |
| County | Nantucket |
| Locality | Shallow coastal plain pond north of Polpis Road, between Bassett and Quaise Roads |
| Mapping Accuracy | Accurate |
| HUC8 Name | Cape Cod |
| HUC8 Number | 01090002 |
| HUC10 Name | Nantucket Island |
| HUC10 Number | 0109000207 |
| HUC12 Name | Nantucket Island |
| HUC12 Number | 010900020700 |
| Map | |
| Collection Day | 4 |
| Collection Month | 9 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity aquaculture |
| Status | extirpated |
| Reference 1 |
| Ref. Number: | 27725 |
| Author: | Consortium of Northeastern Herberia (CNH). |
| Date: | 2023 |
| Title: | Herbarium Specimen Data Sharing Portal for CNH |
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| Comments | CNH specimen
Growing at south end of pond with Juncus and Dulichium |
| Record Type | Specimen |
| Earliest Record | county |
| Disposal | Harvard University Herbarium |
| Museum Cat Number | 00606079 |
| Freshwater/Marine | Freshwater |
| Year Class | Vegetative |
| Size | 20-30 clumps |
