I don't think this is true. If she wants to get into the Federal courts she is going to have to pursue a Federal case from the start.
Maybe the lawyers here on FR can chime in, but I don't think the Federal courts can hear an appeal of a state court ruling.
I paraphrased from the source. Not really sure.
Jill Stein is like the ‘dead’ Glenn Close rising with the butcher knife from the bathtub... can’t remember the name of the women stalker movie.
An appeal from the Michigan Supreme Court would have to be to SCOTUS, which would decide whether to hear it.
They can, but not in this matter. They can only really hear an appeal of a state court when the state court has either a) Ruled on Federal law (which state courts can do) or b) Ruled on a matter in which state law or state case law is problematic to the US Constitution (usually, but not always 14th Amendment questions.)
There is a long-standing and very widely defended culture of case law that says that states are entirely in control of their own elections -- even Presidential ones -- and the US Constitution only permits Congress to alter their regulations concerning the time, manner, and place. Hamilton's dicta in The Federalist argues that Congressional alteration of state election laws was only intended as a way to make sure that states would actually hold Federal elections, not to insert the Federal government into state authority. The courts have generally honored that argument.
That is why the District and later Sixth Circuit US courts never ruled on the actual merits of the case: it was not their role to do so.