Buxbaumia aphylla
English: Bug moss; Bug-on-a-stick; Humpbacked elves; Elf-cap moss.
German: Blattloses Koboldmoos.
Genus: 12 species; single in Buxbaumiaceae.
Region: worldwide; Volga River.
Botany
Microscopic for most of its existence, and plants are noticeable only after they begin to produce their reproductive structures; spore capsule is asymmetrical, distinctive shape and structure, some features of which appear to be transitional from those in primitive mosses to most modern mosses.