Common names: Ryan's Russian thistle
Salsola ryanii (Ryan’s Russian thistle) is an annual herb/ (family Chenopodiaceae) with white to pink papery flowers and small narrow leaves found in the Central Valley and southwestern ranges of California. It is native to Australia or South Africa. It favors grasslands and dunes. It spreads via seed. It exhibits a “tumbling” habit allowing long-distance dispersal via wind.
Cal-IPC Rating: Watch
Plant Risk Assessment
Plant Risk Assessment- An evaluation of the potential for a plant to be invasive in California.
Weed Management NotesNo Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.
Cal-IPC Newsletter Articles
There are no newsletter articles associated with this species yet.
Cal-IPC Symposium Presentations
Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.
- Recent research on invasive weeds at the European Biological Control Laboratory (EBCL). Smith, Lincoln; Bon, Marie-Claude; Desurmont, Gaylord; Kashefi, Javid; Sforza, René; Tannières, Mélanie; Cristofaro, Massimo; Marini, Francesca; Goolsby, John; Rector, Brian; Vidovic, Biljana; Winkler, Daniel; Moran, Patrick (2018)
Other Salsola ryanii Information
- Calflora - See the distribution of this species on Calflora's map of California.
- Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
- EDDMapS - North American distribution based on Early Detection and Distribution Mapping System.