Staurastrum minnesotense var. spinosissimum
Staurastrum minnesotense var. brunellii
Staurastrum minnesotense var. brunelli
Staurastrum minnesotense var. depauperatum
Staurastrum minnesotense var. majusculum
Staurastrum minnesotense var. multispinosum
Staurastrum minnesotense f. glaberrima
Staurastrum minnesotense f. glabrior