Plants of the San Marcos Foothills Preserve
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Salsola australis (Russian Thistle)
Common non-native annual herb found in disturbed areas. Flowers are whitish or reddish. Blooms in summer to autumn. This plant is currently not very common on the Preserve, but is common on surrounding properties.
Salsola australis (Russian Thistle or Tumbleweed). NON-NATIVE. Pictured in autumn.
Salsola australis (Russian Thistle or Tumbleweed). NON-NATIVE. Pictured in autumn.
Salsola australis (Russian Thistle or Tumbleweed). NON-NATIVE. Typical size on Preserve property. Pictured in autumn.
Salsola australis (Russian Thistle or Tumbleweed). NON-NATIVE. Pictured in autumn.
