Staurastrum orbiculare var. denticulatum
Staurastrum orbiculare var. forficulatum
Staurastrum orbiculare var. germinosum
Staurastrum orbiculare f. minor
Staurastrum orbiculare var. minus
Staurastrum orbiculare var. nordstedtii
Staurastrum orbiculare f. major
Staurastrum orbiculare f. subangulatum
Staurastrum orbiculare var. messikommeri
Staurastrum orbiculare var. waterbergense
Staurastrum orbiculare f. quadratum
Staurastrum orbiculare var. subdenticulatum
Staurastrum orbiculare var. pseudopyramidalis
Staurastrum orbiculare var. planktonicum
Staurastrum orbiculare var. protractum
Staurastrum orbiculare var. subangulatum
Staurastrum orbiculare var. verrucosum
Staurastrum orbiculare var. borgei
Staurastrum orbiculare var. crassiusculum
(tree size 1)
Staurastrum orbiculare var. depressum
Staurastrum orbiculare var. extensum
(tree size 1)
Staurastrum orbiculare var. majus
Staurastrum orbiculare var. maxima
Staurastrum orbiculare var. minor
Staurastrum orbiculare var. muticum
(tree size 1)
Staurastrum orbiculare var. orbiculare
Staurastrum orbiculare var. quadratum
Staurastrum orbiculare var. ralfsii
(tree size 3)
Staurastrum orbiculare var. subralfsii
Staurastrum orbiculare var. truncatum
Staurastrum orbiculare f. elliptica
Staurastrum orbiculare f. spinosa
Staurastrum orbiculare f. subangulata
Staurastrum orbiculare f. typica