Hamwild said:
@tofitropic, since I know you are around and you're better at IDs. 
not really, I am no where good at ID
but sure that spathyphyllum looks like 'domino',
I happens to grow few 'domino' as well and it is quite reliable and stable grower, it is easy in my tropical highland, some variegated is bit slow in higland and prefer lowland. if you are growing them in tropics
grwing in nontropical is different story I believes
