Clodomir Antony Vincent Houard (1873–1943) was a French botanist and entomologist whose chief interest was plant galls. He was Professor of Botany at the

University of Strasbourg The University of Strasbourg (, Unistra) is a public research university located in Strasbourg, France, with over 52,000 students and 3,300 researchers. Founded in the 16th century by Johannes Sturm, it was a center of intellectual life during ...

in 1940, and was the author of some 95 works on cecidology in 230 publications in 3 languages. Houard's interest in galls developed while he was studying in Paris. After assisting in a botanical laboratory, he was appointed as Inspector of

Phytopathology Plant pathology or phytopathology is the scientific study of plant diseases caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Plant pathology involves the study of pathogen identification, disease ...

and adjunct professor in

Caen Caen (; ; ) is a Communes of France, commune inland from the northwestern coast of France. It is the Prefectures in France, prefecture of the Departments of France, department of Calvados (department), Calvados. The city proper has 105,512 inha ...

between 1911 and 1917, whereafter from 1919 to 1934 he was Director of the Institute of Botany and the Botanical Garden in Strasbourg. Despite retiring from this last position in 1934 he stayed on until Germany's

WWII World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

occupation of

Strasbourg Strasbourg ( , ; ; ) is the Prefectures in France, prefecture and largest city of the Grand Est Regions of France, region of Geography of France, eastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin Departmen ...

in 1940 made it prudent to leave. He travelled widely in Europe and North America, studying and gathering galls in herbaria and in nature, building up an extensive collection which is housed at the

Muséum national d'Histoire naturelle The French National Museum of Natural History ( ; abbr. MNHN) is the national natural history museum of France and a of higher education part of Sorbonne University. The main museum, with four galleries, is located in Paris, France, within the Ja ...

in Paris. He published a series of 6 seminal books between 1908 and 1940 on gall structure, another on the galls of North America not seeing publication because of the manuscript's being lost during the occupation of Strasbourg.

Selected works

''Les Zoocécidies des Plantes d'Afrique, d'Asie et d'Océanie'' (1922)
*''Les zoocécidies des plantes d'Europe et du bassin de la Méditerranée'' *''Les zoocécidies des plantes de l'Amérique sud et de l'Amérique centrale'' *''Catalogue sytématique des zoocécidies de l'Europe et du bassin méditerranéen'' *''Recherches anatomiques sur les galles de tiges'' *''Les zoocécidies des plantes de l'Amérique du Nord''

References

{{DEFAULTSORT:Houard, Clodomir French entomologists 20th-century French botanists Cecidologists Academic staff of the University of Strasbourg