[1][2][3] He was orphaned as a child, trained as a teacher and became head of a school in Le Havre from 1888 until 1920.

[1] Thériot edited the exsiccata Musci et Hepaticae Novae-Caledoniae exsiccati.

[4] Thériot's personal herbarium collection is currently housed at the Muséum national d'histoire naturelle.

Jules Cardot named the genus Theriotia in honor of Thériot.

[5] He was the author or co-author of scientific publications and books about the floras of North America, Tunisia, China and New Caledonia.