Children (9 direct children, 9 direct and indirect children):
Nigritella rubra subsp. widderi
Nigritella rubra f. rosea
Nigritella rubra subsp. archiducis-joannis
Nigritella rubra var. minor
Nigritella rubra subsp. stiriaca
Nigritella rubra subsp. dolomitensis
Nigritella rubra subsp. dolomitensis
Nigritella rubra subsp. buschmanniae
Nigritella rubra var. dolomitensis