Children (22 direct children, 22 direct and indirect children):
Trigonidium kaeka
Trigonidium latifolium
Trigonidium loretoense
Trigonidium macranthum
Trigonidium obtusum
Trigonidium riopalenquense
Trigonidium turbinatum
Trigonidium acuminatum
Trigonidium aurorae
Trigonidium christensonii
Trigonidium egertonianum
Trigonidium grande
Trigonidium insigne
Trigonidium lankesteri
Trigonidium ringens
Trigonidium subrepens
Trigonidium seemannii
Trigonidium amparoanum
Trigonidium brachyglossum
Trigonidium monophyllum
Trigonidium peruvianum
Trigonidium spatulatum