Fusgender

Fusgender is a naturogender defined as "(derived from the latein word fuscus, which means brown) is a gender that identifies with the uplands, sometimes rivers and the sky too. This gender feels like brown, green and blue. It’s very free and open-minded in nature. It can be used by itself or combined with other terms, e.g. Fusboy, Fusgirl, Fusnonbinary, etc."

History
Fusgender was coined before June 9, 2018 by unknown. The flag was created on December 15, 2019 by tumblr user mogai-princette (aka toastys-mogai).