Holosteum umbellatum subsp. hirsutum Holosteum umbellatum subsp. glutinosum Holosteum umbellatum f. glaberrimum Holosteum umbellatum subsp. viscosissimum
Alsine umbellata Arenaria umbellata Cerastium murale Holosteum umbellatum var. oligandrum Holosteum umbellatum subsp. umbellatum Holosteum syvaschicum Cerastium umbellatum Holosteum umbellatum var. umbellatum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024