Myriophyllum alterniflorum	Myriophyllum aquaticum	Myriophyllum crispatum	Myriophyllum heterophyllum	Myriophyllum rubricaule	Myriophyllum simulans	Myriophyllum spicatum	Myriophyllum tuberculatum	Myriophyllum verticillatum
leaves in whorls of 3-4(-5)	leaves in whorls of (4-)5-6	leaves in whorls of 4-5	leaves in whorls of 4-5	leaves in whorls of 4-5	leaves in whorls of 4	leaves in whorls of 4-5(-6)	leaves in whorls of 5	leaves in (pseudo)whorls of 4-5(-6)
emergent leaves minute	emergent leaves pinnate, glaucous	emergent leaves pinnate, rigid	emergent leaves non-pinnate, toothed	emergent leaves pinnate, stem red	emergent leaves non-pinnate, margin entire	emergent leaves minute	emergent leaves pinnate	emergent leaves pinnate
internodes same length as leaves	internodes half of length of leaves	internodes same length to 1/4 of length of leaves	internodes 1/4 of length of leaves	internodes 1/2 to 1/4 of length of leaves	internodes 1/2 to 1/4 of length of leaves	internodes same length as leaves	internodes 1/4 of length of leaves	internodes 1/2 of length of leaves