Sphaeralcea ambigua subsp. monticola Sphaeralcea ambigua var. rugosa Sphaeralcea ambigua var. ambigua Sphaeralcea ambigua var. rosacea Sphaeralcea ambigua var. versicolor
Sphaeralcea ambigua subsp. ambigua Sphaeroma ambiguum
Taxonomic data from World Flora Online, accessed June 20, 2024