On August 24, the Montana Secretary of State asked the U.S. Supreme Court to stay the order of the Montana Supreme Court that removed the Green Party from the ballot. Stapleton v Montana Democratic Party, 20A33. Here is the Secretary of State’s brief. Thanks to Thomas Jones for this news.
https://www.cnn.com/2020/08/24/politics/montana-supreme-court-green-party-ballot-fight/index.html
CNN story