| Specimen ID | 213813 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Montgomery |
| Locality | Lake Conroe [just NW of Conroe] |
| Mapping Accuracy | Accurate |
| HUC8 Name | West Fork San Jacinto |
| HUC8 Number | 12040101 |
| HUC10 Name | West Fork San Jacinto River-Conroe Lake |
| HUC10 Number | 1204010102 |
| HUC12 Name | Little Lake Creek-Conroe Lake |
| HUC12 Number | 120401010205 |
| Map | |
| Collection Year | 1980 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10114 |
| Author: | Johnson, J., R. Helton, L. Hartmann, and J. Cox |
| Date: | 1991 |
| Title: | Weedy waters: foreign plants clog Texas waterways. |
| Journal: | Texas Parks and Wildlife |
| Volume: | 49 |
| Issue: | 7 |
| Pages: | 36-39 |
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| Record Type | Literature |
| Verifier | |
| Freshwater/Marine | Freshwater |
