Photo 121256728, (c) barry_thomson, some rights reserved (CC BY-NC), uploaded by barry_thomson

Attribution © barry_thomson some rights reserved Uploaded by barry_thomson Source iNaturalist United Kingdom Associated observations Photos / Sounds 4 photos What Poison Ivy Rust (Pileolaria brevipes) Observer barry_thomson Date April 16, 2021 09:25 AM PDT Place Portola State Park Rd, La Honda, CA, US (Google, OSM) Date Added April 16, 2021 08:52 PM PDT Description Growing on poison oak 1 comment 2 IDs Research Grade View Sizes small medium large original