Staurastrum hystrix var. granulatum
Staurastrum hystrix var. recurvatum
Staurastrum hystrix var. pannonicum
(tree size 1)
Staurastrum hystrix var. robustum
Staurastrum hystrix var. brasiliense
(tree size 1)
Staurastrum hystrix var. floridense
Staurastrum hystrix var. lithuanica
Staurastrum hystrix var. papillifera
Staurastrum hystrix var. paucispinosum
Staurastrum hystrix var. polyspina
Staurastrum hystrix var. tessulare
Staurastrum hystrix f. recurvatum
Staurastrum hystrix f. trigona