Synonyms
Micranthemum standleyi L.O.Williams
Elatine rotundifolia Laegaard
Micranthemum orbiculatum var. emarginatum (Elliott) C.Mohr
Pinarda repens Vell.
Micranthemum orbiculatum var. tweediei (Benth.) J.A.Schmidt
Micranthemum tweediei Benth.
Micranthemum pilosum Ernst
Micranthemum emarginatum Elliott
Anonymos umbrosa Walter
Micranthemum orbiculatum Michx.
Globifera umbrosa J.F.Gmel.