Children (18 direct children, 19 direct and indirect children):
Ptilothamnion pluma
(tree size 1)
Ptilothamnion cladophorae
Ptilothamnion codicola
Ptilothamnion goukammae
Ptilothamnion occidentale
Ptilothamnion polysporum
Ptilothamnion pusillum
Ptilothamnion rupicola
Ptilothamnion schmitzii
Ptilothamnion speluncarum
Ptilothamnion sphaericum
Ptilothamnion subsimplex
Ptilothamnion codicolum
Ptilothamnion lucifugum
Ptilothamnion micropterum
Ptilothamnion microptilum
Ptilothamnion pectinatum
Ptilothamnion umbracolens