What is "waldsteinia"

Waldsteinia, the barren strawberries, is a genus of the rose family ( Rosaceae). It contains about six species native to the temperate Northern Hemisphere. A number of species are cultivated as a ground cover in gardens, including Waldsteinia fragarioides from North America, Waldsteinia geoides from Europe, Waldsteinia lobata, and Waldsteinia ternata from Eurasia (from Central Europe to Siberia, China, and Japan).