Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1670856
| OR | Multnomah | [No locality description provided] | 2016 |
17090012
| Lower Willamette | |
1677625
| OR | Multnomah | [No locality description provided] | 2016 |
17090012
| Lower Willamette | |
1678466
| OR | Multnomah | [No locality description provided] | 2019 |
17090012
| Lower Willamette | |
1674063
| OR | Multnomah | [No locality description provided] | 2020 |
17090012
| Lower Willamette | |
1675572
| OR | Multnomah | [No locality description provided] | 2020 |
17090012
| Lower Willamette | |
1709305
| OR | Multnomah | [No locality description provided] | 2022 |
17090012
| Lower Willamette | |
1709314
| OR | Multnomah | [No locality description provided] | 2022 |
17090012
| Lower Willamette | |
1709352
| OR | Multnomah | [No locality description provided] | 2022 |
17090012
| Lower Willamette | |
1467164
| OR | Multnomah | [small pond near Portland International Center] | 2018 |
17090012
| Lower Willamette | established |
242684
| OR | Multnomah | Columbia Slough, Portland | 2003 |
17090012
| Lower Willamette | established |