Native vascular plants listed as extirpated from the Portland area in Urbanizing Flora of Portland, Oregon, 1806-2008: https://ir.library.oregonstate.edu/concern/technical_reports/j6731792f
![](https://mexico.inaturalist.org/assets/logo-eee-15px-8f26cb7404257fa9b8ee143ca65be95b53e98e56f81ff1678848b9e3ae2e13ee.png)
Native vascular plants listed as extirpated from the Portland area in Urbanizing Flora of Portland, Oregon, 1806-2008: https://ir.library.oregonstate.edu/concern/technical_reports/j6731792f