| Specimen ID | 232597 |
| Group | Plants |
| Genus | Iris |
| Species | pseudacorus |
| Common Name | yellow iris |
| State | CA |
| County | Contra Costa |
| Locality | Rock Slough, about 1.2 miles east of junction with Sand Mound Slough |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Kellogg Creek-Big Break |
| HUC10 Number | 1804000308 |
| HUC12 Name | Dutch Slough-Big Break |
| HUC12 Number | 180400030803 |
| Map | |
| Collection Month | 4 |
| Collection Year | 1969 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10753 |
| Author: | Raven, P.H., and J.H. Thomas |
| Date: | 1970 |
| Title: | Iris pseudacorus in western North America |
| Journal: | Madroño |
| Volume: | 20 |
| Issue: | 8 |
| Pages: | 390-391 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
