Photo 6169726, (c) John Barkla, some rights reserved (CC BY), uploaded by John Barkla

Attribution © John Barkla some rights reserved Uploaded by john_barkla Source iNaturalist NZ Associated observations Photos / Sounds What Hedge Mustard (Sisymbrium officinale) Observer john_barkla Date February 1, 2017 12:47 PM NZDT Place Lawyers Head, Dunedin 9013, New Zealand (Google, OSM) Date Added February 1, 2017 09:04 PM NZDT Description Occasional on edge of marram on coastal bank Tags weed, exotic, marram, coast, bank, flower yellow 3 IDs Research Grade View Sizes small medium large original