"The Bible doesn't address female homosexuality"
Sure it does. Homosexuality is not gender exclusive.
ho·mo·sex·u·al adj.
Of, relating to, or having a sexual orientation to persons of the same sex.
The instructions on sexual morality are specifically directed towards men, not towards women. The only sexual admonition with regards to women is the commandment that prohibits adultery. The word "homosexuality" appears nowhere.
Leviticus 18:22
Thou shalt not lie with mankind, as with womankind; it is abomination.
There's the injunction against male homosexuality only. There is nowhere an equivalent injunction against female homosexuality. It is clear from the reading of the passage that these are male-specific instructions, a list of women relations that are sexually prohibited.