| Specimen ID | 1257959 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | AZ |
| County | Pima |
| Locality | Arroyo Chico-Santa Cruz River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Santa Cruz |
| HUC8 Number | 15050301 |
| HUC10 Name | Julian Wash-Santa Cruz River |
| HUC10 Number | 1505030109 |
| HUC12 Name | Arroyo Chico-Santa Cruz River |
| HUC12 Number | 150503010906 |
| Map | |
| Collection Day | 1 |
| Collection Month | 1 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 17272 |
| Author: | Thomas, K.A., and P. Guertin. |
| Date: | 2007 |
| Title: | Southwest Exotic Mapping Program 2007: occurrence summary and maps of select invasive non-native plants in Arizona. |
| Publisher: | US Geological Survey Open-File Report 2007-1277. |
| Pages: | 85 pp |
|
|
| Comments | Pima - Santa Cruz River Basin CWMA |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Size | <0.1 |
