Agnes Lawrence Pelton (August 22, 1881-March 13, 1961) was a visionary symbolist who painted modernist works reflecting her spiritual interests.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Agnes_Lawrence_Pelton

Winter by Agnes Pelton
1933 / Oil on canvas / 30″x28″ / Crocker Art Museum, Sacramento, CA
Agnes Pelton on Artnet: http://www.artnet.com/artists/agnes-pelton/
Further reading:
https://brooklynrail.org/2018/06/criticspage/Agnes-Pelton-The-Familiar-Sublime
https://theosophyart.org/2020/12/09/agnes-pelton-and-theosophy/
https://www.californiadesertart.com/lost-farm-the-rediscovered-homestead-of-agnes-pelton/