Solidago rugosa subsp. rugosa var. rugosa × Solidago sempervirens subsp. sempervirens Desfontaines

Solidago rugosa subsp. rugosa var. rugosa × Solidago sempervirens subsp. sempervirens Desfontaines is a synonym of:

Solidago ×asperula Desfontaines, an accepted species name sensu Scoggan, 1978-79.