Photo 839082, (c) Peter Brastow, some rights reserved (CC BY), uploaded by Peter Brastow

Attribution © Peter Brastow some rights reserved Uploaded by pbrastow Source iNaturalist Associated observations Photos / Sounds What Black Mustard (Rhamphospermum nigrum) Observer pbrastow Date May 7, 2014 08:09 AM PDT Place Presidio, Presidio of San Francisco, San Francisco County, Golden Gate National Recreation Area, US-CA, US (Google, OSM) Date Added May 7, 2014 11:30 AM PDT 3 IDs Research Grade View Sizes small medium large original