Children (23 direct children, 31 direct and indirect children):
Tetrastrum alpinum
Tetrastrum delicatospinosum
Tetrastrum divergens
Tetrastrum elegans
(tree size 1)
Tetrastrum glabrum
(tree size 1)
Tetrastrum heteracanthum
(tree size 2)
Tetrastrum homoiacanthum
Tetrastrum hortobagyi
Tetrastrum nonsens
Tetrastrum staurogeniiforme
(tree size 2)
Tetrastrum tenuispinum
Tetrastrum tetracanthum
Tetrastrum triacanthum
(tree size 1)
Tetrastrum asymmetricum
(tree size 1)
Tetrastrum constrictum
Tetrastrum hastiferum
Tetrastrum komarekii
Tetrastrum parallelum
Tetrastrum pulloideum
Tetrastrum rocklandense
Tetrastrum staurogeniaeforme
Tetrastrum triangulare
Tetrastrum truncatum