Children (33 direct children, 34 direct and indirect children):
Portlandia arctica
(tree size 1)
Portlandia iris
Portlandia glacialis
Portlandia jeffreysi
Portlandia subangulata
Portlandia frigida
Portlandia aestuariorum
Portlandia dalli
Portlandia lucida
Portlandia inconspicua
Portlandia minuscula
Portlandia beringii
Portlandia intermedia
Portlandia inflata
Portlandia fraterna
Portlandia lenticula
Portlandia tamara
Portlandia sericea
Portlandia japonica
Portlandia isonota
Portlandia pachia
Portlandia pygmaea
Portlandia sulcifera
Portlandia abyssicola
Portlandia dubia
Portlandia fora
Portlandia kolthoffi
Portlandia lepidula
Portlandia minuta
Portlandia nigromaculata
Portlandia persei
Portlandia philippiana
Portlandia siliqua