Marie Hypolite Irénée Thériot (21 December 1859 – 25 March 1947), credited as Irénée Thériot was a French bryologist and school teacher. He was orphaned as a child, trained as a teacher and became head of a school in

Le Havre Le Havre (, ; nrf, Lé Hâvre ) is a port city in the Seine-Maritime department in the Normandy region of northern France. It is situated on the right bank of the estuary of the river Seine on the Channel southwest of the Pays de Caux, very ...

from 1888 until 1920. He married but his wife (died 1938) and son (died 1917, aged 30) pre-deceased him. He was a member of the Société Botanique de France. He was particularly interested in moss, which he studied in his spare time. He described over 1000 new species and genera. These came from many parts of the world, obtained by exchanging specimens with others. He continued to study mosses, including using a microscope, into his early 80s. Thériot's personal herbarium collection is currently housed at the

Muséum national d'histoire naturelle The French National Museum of Natural History, known in French as the ' (abbreviation MNHN), is the national natural history museum of France and a ' of higher education part of Sorbonne Universities. The main museum, with four galleries, is loc ...

. Jules Cardot named the genus '' Theriotia'' in honor of Thériot.

Publications

He was the author or co-author of scientific publications and books about the floras of North America, Tunisia, China and New Caledonia. They include: * The mosses of Alaska by J. Cardot and I. Thériot about collections made during the Jules Cardot and Harriman expedition to Alaska in 1899. Published as a book in 1904 (probably), from an initial publication in the Proceedings of the Washington Academy of Sciences in 1902 (volume 4, pages 293–372).

References

20th-century French botanists French schoolteachers 1859 births 1947 deaths Bryologists Scientists from Le Havre {{France-botanist-stub