Frère Sennen

Étienne Marcellin Granié-Blanc
Born13 July 1861
Died16 January 1937(1937-01-16) (aged 75)
NationalityFrench
Other namesFrère Sennen (religious)
AwardsChevalier de la Légion d'honneur
Scientific career
FieldsBotany
Author abbrev. (botany)Sennen

Étienne Marcellin Granié-Blanc, religious name Frère Sennen (1861–1937), was a French botanist and member (Brother) of the Catholic order Frères des écoles chrétiennes. He collected plants in France, Spain, and Morocco.