The Lichen from Eros

From Author Wars - https://authorwars.com/books/the-lichen-from-eros-1928526.html

Overview:

Title: The Lichen from Eros
Author: Frank Belknap Long
Year: 1935
Type: Short Fiction

Variant Titles:

1935. The Lichen from Eros

Genres/Themes:

minature civilization