Galium cenisium Galium helveticum var. allionii Galium helveticum var. cenisium Galium helveticum var. elongatum Galium montanum Galium prostratum Galium pusillum Galium rupicola Galium villarsii Galium sylvestre subsp. virens Galium villarsii Galium sylvestre var. montanum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024