De or het microflora?

The correct Dutch article is:

de microflora

How to use microflora

the microflorade microflora
this microfloradeze microflora
that microfloradie microflora
our microfloraonze microflora
your microflorajouw microflora
every microfloraelke microflora
which microflora?welke microflora?
a big microflora / the big microfloraeen grote microflora, de grote microflora