Thymeleaf Sandwort, Thyme-leaf Sandwort, Sabline a Feuilles de Serpolet: Arenaria serpyllifolia var. serpyllifolia (Synonym: Arenaria serpyllifolia ssp. serpyllifolia)
Fescue Sandwort, Slender Mountain Sandwort, Thread-leaved Sandwort: Eremogone capillaris var. americana (Synonyms: Arenaria capillaris ssp. americana, Eremogone americana) -