Children (18 direct children, 19 direct and indirect children):
Ptilagrostis kingii
Sierra false needlegrass
Ptilagrostis pelliotii
Ptilagrostis dichotoma
(tree size 1)
Ptilagrostis concinna
Ptilagrostis mongholica
Ptilagrostis junatovii
Ptilagrostis malyschevii
Ptilagrostis luquensis
Ptilagrostis yadongensis
Ptilagrostis arcuata
Ptilagrostis contracta
Ptilagrostis porteri
Ptilagrostis duthiei
Ptilagrostis sect. barkworthia
Ptilagrostis roshevitsiana
Ptilagrostis milleri
Ptilagrostis macrospicula
Ptilagrostis bhutanica