[The Genus Salsola East of the Cascade Mts. of Oregon and Washington]

Prickly Russian Thistle, Russian Thistle, Tumbleweed

Salsola tragus

Synonyms: Salsola australis, Salsola iberica, Salsola kali, Salsola kali ssp. iberica, Salsola kali ssp. kali, Salsola kali ssp. ruthenica, Salsola kali ssp. tenuifolia, Salsola kali ssp. tragus, Salsola kali var. tenuifolia, Salsola pestifer, Salsola ruthenica

Prickly Russian Thistle, Russian Thistle, Tumbleweed: Salsola tragus (Synonyms: Salsola australis, Salsola iberica, Salsola kali, Salsola kali ssp. iberica, Salsola kali ssp. kali, Salsola kali ssp. ruthenica, Salsola kali ssp. tenuifolia, Salsola kali ssp. tragus, Salsola kali var. tenuifolia, Salsola pestifer, Salsola ruthenica)

Russian thistle blooming on the gravelled horse trailer parking area at Horn Rapids Park, Benton County, Washington........October 2, 2012.

Prickly Russian Thistle, Russian Thistle, Tumbleweed: Salsola tragus (Synonyms: Salsola australis, Salsola iberica, Salsola kali, Salsola kali ssp. iberica, Salsola kali ssp. kali, Salsola kali ssp. ruthenica, Salsola kali ssp. tenuifolia, Salsola kali ssp. tragus, Salsola kali var. tenuifolia, Salsola pestifer, Salsola ruthenica)

The photo above shows russian thistle as seen along Washington Highway SR14 at the junction with the Dalles Mt. Road........October 7, 2006.
Paul Slichter