Photo: Grindelia camporum 0.
Flowerbud, still closed. Kew Garden, London, UK. Planted. 2005-09-12.
Grindelia camporum Greene
Engl.: great valley gumweed, grindelia, California gum plant, gum plant, hardy grindelia, rosin weed, wild sun flower, yellow tar weed.
Deu.: Grindelie, Grosse Gindelie, Gummikraut.
Bot. syn.: Grindelia paludosa Greene, Grindelia procera Greene, Grindelia robusta Nutt. p. p.