Gazania linearis

Photo (c)Tony Morosco 2002

Synonyms: Gazania longiscapa DC

Common names: gazania; treasure flower

Gazania linearis (gazania) is a perennial herb (family Asteraceae) introduced as an ornamental plant. It has been reported escaping into creekside vegetation and into native grassland from plantings in San Francisco, Monterey, and Ventura Counties, where it can form a dense groundcover and outcompete other species.

Rating: Moderate

Cal-IPC Resources

  • Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.
  • CalWeedMapper - Statewide maps, climate models, and reports.
  • Cal-IPC News - Our quarterly newsletter. Each issue is available as a pdf.
  • Cal-IPC Symposium Proceedings - Presentations and papers from our annual Symposium.
  • Don't Plant a Pest! - Select your region to find non-invasive alternatives to ornamental species. Also see our statewide brochure on trees.

    Other Resources

      • USDA PLANTS database -
        Federal database with information on identification and distribution, and links to websites in individual states.
      • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
      • CalFlora - Distribution information by county based on submitted observations and herbarium specimens.
      • CalPhotos - Images of plants taken mostly in California.

    Symposium Presentations

    • None for this species.

    Cal-IPC News Articles

    • Brusati, E. (2011). Cal-IPC Inventory update adds eight plants. Cal-IPC News. 19: 18.
    • Cal-IPC (2008). Weed Alerts. Cal-IPC News. 16: 8.